Springs - Extension– Page8 – Miniature Bearings Australia - MBA Minibearings

OD (D0)	Overall Length (L0)	Wire Diameter (d)	Max. Extension (L1)	Spring Rate	Initial Tension (IT)
Extension Springs - 4x25x0.45 mm Music Wire - Steel Spring
OD (D0) 4.00 mm	Overall Length (L0) 25 mm	Wire Diameter (d) 0.450 mm	Max. Extension (L1) 41.90 mm	Spring Rate 0.23 N/mm	Initial Tension (IT) 1.0 N
Material: Steel Load at L1: 4.81 N Category: Springs - Extension - Music Wire
Part Number: ES-0400-0250-045-M (PK-100) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $103.50 AUD Regular price ~~$218.88 AUD~~ Sale price $103.50 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
OD (D0)	Overall Length (L0)	Wire Diameter (d)	Max. Extension (L1)	Indicative Image
Extension Springs - 4x25x0.45 mm Music Wire - Steel Spring
OD (D0) 4.00 mm	Overall Length (L0) 25 mm	Wire Diameter (d) 0.450 mm	Max. Extension (L1) 41.90 mm
Material: Steel Spring Rate: 0.23 N/mm Initial Tension (IT): 1.0 N Load at L1: 4.81 N Category: Springs - Extension - Music Wire
Part Number: ES-0400-0250-045-M (PK-100) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $103.50 AUD Regular price ~~$218.88 AUD~~ Sale price $103.50 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0400-0250-045-M (PK-100) --- Extension Springs - 4x25x0.45 mm Music Wire - Steel Spring Sale ES-0400-0250-045-M (PK-100) --- Extension Springs - 4x25x0.45 mm Music Wire - Steel Spring Regular price $103.50 AUD Regular price ~~$218.88 AUD~~ Sale price $103.50 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4x25x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0) 4.00 mm	Overall Length (L0) 25 mm	Wire Diameter (d) 0.500 mm	Max. Extension (L1) 38.60 mm	Spring Rate 0.39 N/mm	Initial Tension (IT) 1.2 N
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80 Load at L1: 6.37 N Category: Springs - Extension - Stainless Steel
Part Number: ES-0400-0250-05-S4 (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $8.41 AUD Regular price ~~$10.09 AUD~~ Sale price $8.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4x25x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0) 4.00 mm	Overall Length (L0) 25 mm	Wire Diameter (d) 0.500 mm	Max. Extension (L1) 38.60 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80 Spring Rate: 0.39 N/mm Initial Tension (IT): 1.2 N Load at L1: 6.37 N Category: Springs - Extension - Stainless Steel
Part Number: ES-0400-0250-05-S4 (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $8.41 AUD Regular price ~~$10.09 AUD~~ Sale price $8.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0400-0250-05-S4 (PK-5) --- Extension Springs - 4x25x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Sale ES-0400-0250-05-S4 (PK-5) --- Extension Springs - 4x25x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Regular price $8.41 AUD Regular price ~~$10.09 AUD~~ Sale price $8.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4x25x0.5 mm Music Wire - Steel Spring
OD (D0) 4.00 mm	Overall Length (L0) 25 mm	Wire Diameter (d) 0.500 mm	Max. Extension (L1) 38.90 mm	Spring Rate 0.39 N/mm	Initial Tension (IT) 1.2 N
Material: Steel Load at L1: 6.37 N Category: Springs - Extension - Music Wire
Part Number: ES-0400-0250-05-M (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $5.32 AUD Regular price ~~$10.87 AUD~~ Sale price $5.32 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4x25x0.5 mm Music Wire - Steel Spring
OD (D0) 4.00 mm	Overall Length (L0) 25 mm	Wire Diameter (d) 0.500 mm	Max. Extension (L1) 38.90 mm
Material: Steel Spring Rate: 0.39 N/mm Initial Tension (IT): 1.2 N Load at L1: 6.37 N Category: Springs - Extension - Music Wire
Part Number: ES-0400-0250-05-M (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $5.32 AUD Regular price ~~$10.87 AUD~~ Sale price $5.32 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0400-0250-05-M (PK-5) --- Extension Springs - 4x25x0.5 mm Music Wire - Steel Spring Sale ES-0400-0250-05-M (PK-5) --- Extension Springs - 4x25x0.5 mm Music Wire - Steel Spring Regular price $5.32 AUD Regular price ~~$10.87 AUD~~ Sale price $5.32 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4x25x0.55 mm Music Wire - Steel Spring
OD (D0) 4.00 mm	Overall Length (L0) 25 mm	Wire Diameter (d) 0.550 mm	Max. Extension (L1) 35.00 mm	Spring Rate 0.66 N/mm	Initial Tension (IT) 1.9 N
Material: Steel Load at L1: 8.43 N Category: Springs - Extension - Music Wire
Part Number: ES-0400-0250-055-M (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $5.32 AUD Regular price ~~$10.87 AUD~~ Sale price $5.32 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4x25x0.55 mm Music Wire - Steel Spring
OD (D0) 4.00 mm	Overall Length (L0) 25 mm	Wire Diameter (d) 0.550 mm	Max. Extension (L1) 35.00 mm
Material: Steel Spring Rate: 0.66 N/mm Initial Tension (IT): 1.9 N Load at L1: 8.43 N Category: Springs - Extension - Music Wire
Part Number: ES-0400-0250-055-M (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $5.32 AUD Regular price ~~$10.87 AUD~~ Sale price $5.32 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0400-0250-055-M (PK-5) --- Extension Springs - 4x25x0.55 mm Music Wire - Steel Spring Sale ES-0400-0250-055-M (PK-5) --- Extension Springs - 4x25x0.55 mm Music Wire - Steel Spring Regular price $5.32 AUD Regular price ~~$10.87 AUD~~ Sale price $5.32 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4x30x0.35 mm Music Wire - Steel Spring
OD (D0) 4.00 mm	Overall Length (L0) 30 mm	Wire Diameter (d) 0.350 mm	Max. Extension (L1) 72.70 mm	Spring Rate 0.05 N/mm	Initial Tension (IT) 0.2 N
Material: Steel Load at L1: 2.26 N Category: Springs - Extension - Music Wire
Part Number: ES-0400-0300-035-M (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $5.32 AUD Regular price ~~$10.87 AUD~~ Sale price $5.32 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4x30x0.35 mm Music Wire - Steel Spring
OD (D0) 4.00 mm	Overall Length (L0) 30 mm	Wire Diameter (d) 0.350 mm	Max. Extension (L1) 72.70 mm
Material: Steel Spring Rate: 0.05 N/mm Initial Tension (IT): 0.2 N Load at L1: 2.26 N Category: Springs - Extension - Music Wire
Part Number: ES-0400-0300-035-M (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $5.32 AUD Regular price ~~$10.87 AUD~~ Sale price $5.32 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0400-0300-035-M (PK-5) --- Extension Springs - 4x30x0.35 mm Music Wire - Steel Spring Sale ES-0400-0300-035-M (PK-5) --- Extension Springs - 4x30x0.35 mm Music Wire - Steel Spring Regular price $5.32 AUD Regular price ~~$10.87 AUD~~ Sale price $5.32 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4x30x0.35 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0) 4.00 mm	Overall Length (L0) 30 mm	Wire Diameter (d) 0.350 mm	Max. Extension (L1) 72.70 mm	Spring Rate 0.05 N/mm	Initial Tension (IT) 0.2 N
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80 Load at L1: 2.26 N Category: Springs - Extension - Stainless Steel
Part Number: ES-0400-0300-035-S4 (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $9.23 AUD Regular price ~~$11.07 AUD~~ Sale price $9.23 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4x30x0.35 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0) 4.00 mm	Overall Length (L0) 30 mm	Wire Diameter (d) 0.350 mm	Max. Extension (L1) 72.70 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80 Spring Rate: 0.05 N/mm Initial Tension (IT): 0.2 N Load at L1: 2.26 N Category: Springs - Extension - Stainless Steel
Part Number: ES-0400-0300-035-S4 (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $9.23 AUD Regular price ~~$11.07 AUD~~ Sale price $9.23 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0400-0300-035-S4 (PK-5) --- Extension Springs - 4x30x0.35 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Sale ES-0400-0300-035-S4 (PK-5) --- Extension Springs - 4x30x0.35 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Regular price $9.23 AUD Regular price ~~$11.07 AUD~~ Sale price $9.23 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4x30x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0) 4.00 mm	Overall Length (L0) 30 mm	Wire Diameter (d) 0.400 mm	Max. Extension (L1) 58.40 mm	Spring Rate 0.09 N/mm	Initial Tension (IT) 0.6 N
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80 Load at L1: 3.24 N Category: Springs - Extension - Stainless Steel
Part Number: ES-0400-0300-04-S4 (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $9.59 AUD Regular price ~~$11.51 AUD~~ Sale price $9.59 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4x30x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0) 4.00 mm	Overall Length (L0) 30 mm	Wire Diameter (d) 0.400 mm	Max. Extension (L1) 58.40 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80 Spring Rate: 0.09 N/mm Initial Tension (IT): 0.6 N Load at L1: 3.24 N Category: Springs - Extension - Stainless Steel
Part Number: ES-0400-0300-04-S4 (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $9.59 AUD Regular price ~~$11.51 AUD~~ Sale price $9.59 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0400-0300-04-S4 (PK-5) --- Extension Springs - 4x30x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Sale ES-0400-0300-04-S4 (PK-5) --- Extension Springs - 4x30x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Regular price $9.59 AUD Regular price ~~$11.51 AUD~~ Sale price $9.59 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4x30x0.4 mm Music Wire - Steel Spring
OD (D0) 4.00 mm	Overall Length (L0) 30 mm	Wire Diameter (d) 0.400 mm	Max. Extension (L1) 58.40 mm	Spring Rate 0.09 N/mm	Initial Tension (IT) 0.6 N
Material: Steel Load at L1: 3.24 N Category: Springs - Extension - Music Wire
Part Number: ES-0400-0300-04-M (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $5.32 AUD Regular price ~~$10.87 AUD~~ Sale price $5.32 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4x30x0.4 mm Music Wire - Steel Spring
OD (D0) 4.00 mm	Overall Length (L0) 30 mm	Wire Diameter (d) 0.400 mm	Max. Extension (L1) 58.40 mm
Material: Steel Spring Rate: 0.09 N/mm Initial Tension (IT): 0.6 N Load at L1: 3.24 N Category: Springs - Extension - Music Wire
Part Number: ES-0400-0300-04-M (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $5.32 AUD Regular price ~~$10.87 AUD~~ Sale price $5.32 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0400-0300-04-M (PK-5) --- Extension Springs - 4x30x0.4 mm Music Wire - Steel Spring Sale ES-0400-0300-04-M (PK-5) --- Extension Springs - 4x30x0.4 mm Music Wire - Steel Spring Regular price $5.32 AUD Regular price ~~$10.87 AUD~~ Sale price $5.32 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4x30x0.45 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0) 4.00 mm	Overall Length (L0) 30 mm	Wire Diameter (d) 0.450 mm	Max. Extension (L1) 51.70 mm	Spring Rate 0.18 N/mm	Initial Tension (IT) 1.0 N
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80 Load at L1: 4.81 N Category: Springs - Extension - Stainless Steel
Part Number: ES-0400-0300-045-S4 (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $10.14 AUD Regular price ~~$12.16 AUD~~ Sale price $10.14 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4x30x0.45 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0) 4.00 mm	Overall Length (L0) 30 mm	Wire Diameter (d) 0.450 mm	Max. Extension (L1) 51.70 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80 Spring Rate: 0.18 N/mm Initial Tension (IT): 1.0 N Load at L1: 4.81 N Category: Springs - Extension - Stainless Steel
Part Number: ES-0400-0300-045-S4 (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $10.14 AUD Regular price ~~$12.16 AUD~~ Sale price $10.14 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0400-0300-045-S4 (PK-5) --- Extension Springs - 4x30x0.45 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Sale ES-0400-0300-045-S4 (PK-5) --- Extension Springs - 4x30x0.45 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Regular price $10.14 AUD Regular price ~~$12.16 AUD~~ Sale price $10.14 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4x30x0.45 mm Music Wire - Steel Spring
OD (D0) 4.00 mm	Overall Length (L0) 30 mm	Wire Diameter (d) 0.450 mm	Max. Extension (L1) 51.70 mm	Spring Rate 0.18 N/mm	Initial Tension (IT) 1.0 N
Material: Steel Load at L1: 4.81 N Category: Springs - Extension - Music Wire
Part Number: ES-0400-0300-045-M (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $5.32 AUD Regular price ~~$10.87 AUD~~ Sale price $5.32 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4x30x0.45 mm Music Wire - Steel Spring
OD (D0) 4.00 mm	Overall Length (L0) 30 mm	Wire Diameter (d) 0.450 mm	Max. Extension (L1) 51.70 mm
Material: Steel Spring Rate: 0.18 N/mm Initial Tension (IT): 1.0 N Load at L1: 4.81 N Category: Springs - Extension - Music Wire
Part Number: ES-0400-0300-045-M (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $5.32 AUD Regular price ~~$10.87 AUD~~ Sale price $5.32 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0400-0300-045-M (PK-5) --- Extension Springs - 4x30x0.45 mm Music Wire - Steel Spring Sale ES-0400-0300-045-M (PK-5) --- Extension Springs - 4x30x0.45 mm Music Wire - Steel Spring Regular price $5.32 AUD Regular price ~~$10.87 AUD~~ Sale price $5.32 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4x30x0.5 mm Music Wire - Steel Spring
OD (D0) 4.00 mm	Overall Length (L0) 30 mm	Wire Diameter (d) 0.500 mm	Max. Extension (L1) 47.50 mm	Spring Rate 0.29 N/mm	Initial Tension (IT) 1.2 N
Material: Steel Load at L1: 6.37 N Category: Springs - Extension - Music Wire
Part Number: ES-0400-0300-05-M (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $5.32 AUD Regular price ~~$10.87 AUD~~ Sale price $5.32 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4x30x0.5 mm Music Wire - Steel Spring
OD (D0) 4.00 mm	Overall Length (L0) 30 mm	Wire Diameter (d) 0.500 mm	Max. Extension (L1) 47.50 mm
Material: Steel Spring Rate: 0.29 N/mm Initial Tension (IT): 1.2 N Load at L1: 6.37 N Category: Springs - Extension - Music Wire
Part Number: ES-0400-0300-05-M (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $5.32 AUD Regular price ~~$10.87 AUD~~ Sale price $5.32 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0400-0300-05-M (PK-5) --- Extension Springs - 4x30x0.5 mm Music Wire - Steel Spring Sale ES-0400-0300-05-M (PK-5) --- Extension Springs - 4x30x0.5 mm Music Wire - Steel Spring Regular price $5.32 AUD Regular price ~~$10.87 AUD~~ Sale price $5.32 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4x30x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0) 4.00 mm	Overall Length (L0) 30 mm	Wire Diameter (d) 0.500 mm	Max. Extension (L1) 47.50 mm	Spring Rate 0.29 N/mm	Initial Tension (IT) 1.2 N
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80 Load at L1: 6.37 N Category: Springs - Extension - Stainless Steel
Part Number: ES-0400-0300-05-S4 (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $9.59 AUD Regular price ~~$11.51 AUD~~ Sale price $9.59 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4x30x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0) 4.00 mm	Overall Length (L0) 30 mm	Wire Diameter (d) 0.500 mm	Max. Extension (L1) 47.50 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80 Spring Rate: 0.29 N/mm Initial Tension (IT): 1.2 N Load at L1: 6.37 N Category: Springs - Extension - Stainless Steel
Part Number: ES-0400-0300-05-S4 (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $9.59 AUD Regular price ~~$11.51 AUD~~ Sale price $9.59 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0400-0300-05-S4 (PK-5) --- Extension Springs - 4x30x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Sale ES-0400-0300-05-S4 (PK-5) --- Extension Springs - 4x30x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Regular price $9.59 AUD Regular price ~~$11.51 AUD~~ Sale price $9.59 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4x35x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0) 4.00 mm	Overall Length (L0) 35 mm	Wire Diameter (d) 0.400 mm	Max. Extension (L1) 68.70 mm	Spring Rate 0.08 N/mm	Initial Tension (IT) 0.6 N
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80 Load at L1: 3.24 N Category: Springs - Extension - Stainless Steel
Part Number: ES-0400-0350-04-S4 (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $12.41 AUD Regular price ~~$14.89 AUD~~ Sale price $12.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4x35x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0) 4.00 mm	Overall Length (L0) 35 mm	Wire Diameter (d) 0.400 mm	Max. Extension (L1) 68.70 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80 Spring Rate: 0.08 N/mm Initial Tension (IT): 0.6 N Load at L1: 3.24 N Category: Springs - Extension - Stainless Steel
Part Number: ES-0400-0350-04-S4 (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $12.41 AUD Regular price ~~$14.89 AUD~~ Sale price $12.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0400-0350-04-S4 (PK-5) --- Extension Springs - 4x35x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Sale ES-0400-0350-04-S4 (PK-5) --- Extension Springs - 4x35x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Regular price $12.41 AUD Regular price ~~$14.89 AUD~~ Sale price $12.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4x35x0.4 mm Music Wire - Steel Spring
OD (D0) 4.00 mm	Overall Length (L0) 35 mm	Wire Diameter (d) 0.400 mm	Max. Extension (L1) 68.70 mm	Spring Rate 0.08 N/mm	Initial Tension (IT) 0.6 N
Material: Steel Load at L1: 3.24 N Category: Springs - Extension - Music Wire
Part Number: ES-0400-0350-04-M (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $5.32 AUD Regular price ~~$10.87 AUD~~ Sale price $5.32 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4x35x0.4 mm Music Wire - Steel Spring
OD (D0) 4.00 mm	Overall Length (L0) 35 mm	Wire Diameter (d) 0.400 mm	Max. Extension (L1) 68.70 mm
Material: Steel Spring Rate: 0.08 N/mm Initial Tension (IT): 0.6 N Load at L1: 3.24 N Category: Springs - Extension - Music Wire
Part Number: ES-0400-0350-04-M (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $5.32 AUD Regular price ~~$10.87 AUD~~ Sale price $5.32 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0400-0350-04-M (PK-5) --- Extension Springs - 4x35x0.4 mm Music Wire - Steel Spring Sale ES-0400-0350-04-M (PK-5) --- Extension Springs - 4x35x0.4 mm Music Wire - Steel Spring Regular price $5.32 AUD Regular price ~~$10.87 AUD~~ Sale price $5.32 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4x35x0.55 mm Music Wire - Steel Spring
OD (D0) 4.00 mm	Overall Length (L0) 35 mm	Wire Diameter (d) 0.550 mm	Max. Extension (L1) 50.20 mm	Spring Rate 0.43 N/mm	Initial Tension (IT) 1.9 N
Material: Steel Load at L1: 8.43 N Category: Springs - Extension - Music Wire
Part Number: ES-0400-0350-055-M (PK-100) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $103.50 AUD Regular price ~~$218.88 AUD~~ Sale price $103.50 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4x35x0.55 mm Music Wire - Steel Spring
OD (D0) 4.00 mm	Overall Length (L0) 35 mm	Wire Diameter (d) 0.550 mm	Max. Extension (L1) 50.20 mm
Material: Steel Spring Rate: 0.43 N/mm Initial Tension (IT): 1.9 N Load at L1: 8.43 N Category: Springs - Extension - Music Wire
Part Number: ES-0400-0350-055-M (PK-100) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $103.50 AUD Regular price ~~$218.88 AUD~~ Sale price $103.50 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0400-0350-055-M (PK-100) --- Extension Springs - 4x35x0.55 mm Music Wire - Steel Spring Sale ES-0400-0350-055-M (PK-100) --- Extension Springs - 4x35x0.55 mm Music Wire - Steel Spring Regular price $103.50 AUD Regular price ~~$218.88 AUD~~ Sale price $103.50 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4x40x0.35 mm Music Wire - Steel Spring
OD (D0) 4.00 mm	Overall Length (L0) 40 mm	Wire Diameter (d) 0.350 mm	Max. Extension (L1) 100.30 mm	Spring Rate 0.03 N/mm	Initial Tension (IT) 0.2 N
Material: Steel Load at L1: 2.26 N Category: Springs - Extension - Music Wire
Part Number: ES-0400-0400-035-M (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $5.32 AUD Regular price ~~$10.87 AUD~~ Sale price $5.32 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4x40x0.35 mm Music Wire - Steel Spring
OD (D0) 4.00 mm	Overall Length (L0) 40 mm	Wire Diameter (d) 0.350 mm	Max. Extension (L1) 100.30 mm
Material: Steel Spring Rate: 0.03 N/mm Initial Tension (IT): 0.2 N Load at L1: 2.26 N Category: Springs - Extension - Music Wire
Part Number: ES-0400-0400-035-M (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $5.32 AUD Regular price ~~$10.87 AUD~~ Sale price $5.32 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0400-0400-035-M (PK-5) --- Extension Springs - 4x40x0.35 mm Music Wire - Steel Spring Sale ES-0400-0400-035-M (PK-5) --- Extension Springs - 4x40x0.35 mm Music Wire - Steel Spring Regular price $5.32 AUD Regular price ~~$10.87 AUD~~ Sale price $5.32 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4x40x0.35 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0) 4.00 mm	Overall Length (L0) 40 mm	Wire Diameter (d) 0.350 mm	Max. Extension (L1) 100.30 mm	Spring Rate 0.03 N/mm	Initial Tension (IT) 0.2 N
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80 Load at L1: 2.26 N Category: Springs - Extension - Stainless Steel
Part Number: ES-0400-0400-035-S4 (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $11.32 AUD Regular price ~~$13.58 AUD~~ Sale price $11.32 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4x40x0.35 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0) 4.00 mm	Overall Length (L0) 40 mm	Wire Diameter (d) 0.350 mm	Max. Extension (L1) 100.30 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80 Spring Rate: 0.03 N/mm Initial Tension (IT): 0.2 N Load at L1: 2.26 N Category: Springs - Extension - Stainless Steel
Part Number: ES-0400-0400-035-S4 (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $11.32 AUD Regular price ~~$13.58 AUD~~ Sale price $11.32 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0400-0400-035-S4 (PK-5) --- Extension Springs - 4x40x0.35 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Sale ES-0400-0400-035-S4 (PK-5) --- Extension Springs - 4x40x0.35 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Regular price $11.32 AUD Regular price ~~$13.58 AUD~~ Sale price $11.32 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4x40x0.4 mm Music Wire - Steel Spring
OD (D0) 4.00 mm	Overall Length (L0) 40 mm	Wire Diameter (d) 0.400 mm	Max. Extension (L1) 78.50 mm	Spring Rate 0.07 N/mm	Initial Tension (IT) 0.6 N
Material: Steel Load at L1: 3.24 N Category: Springs - Extension - Music Wire
Part Number: ES-0400-0400-04-M (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $5.32 AUD Regular price ~~$10.87 AUD~~ Sale price $5.32 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4x40x0.4 mm Music Wire - Steel Spring
OD (D0) 4.00 mm	Overall Length (L0) 40 mm	Wire Diameter (d) 0.400 mm	Max. Extension (L1) 78.50 mm
Material: Steel Spring Rate: 0.07 N/mm Initial Tension (IT): 0.6 N Load at L1: 3.24 N Category: Springs - Extension - Music Wire
Part Number: ES-0400-0400-04-M (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $5.32 AUD Regular price ~~$10.87 AUD~~ Sale price $5.32 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0400-0400-04-M (PK-5) --- Extension Springs - 4x40x0.4 mm Music Wire - Steel Spring Sale ES-0400-0400-04-M (PK-5) --- Extension Springs - 4x40x0.4 mm Music Wire - Steel Spring Regular price $5.32 AUD Regular price ~~$10.87 AUD~~ Sale price $5.32 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4x40x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0) 4.00 mm	Overall Length (L0) 40 mm	Wire Diameter (d) 0.400 mm	Max. Extension (L1) 78.50 mm	Spring Rate 0.07 N/mm	Initial Tension (IT) 0.6 N
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80 Load at L1: 3.24 N Category: Springs - Extension - Stainless Steel
Part Number: ES-0400-0400-04-S4 (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $12.86 AUD Regular price ~~$15.44 AUD~~ Sale price $12.86 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4x40x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0) 4.00 mm	Overall Length (L0) 40 mm	Wire Diameter (d) 0.400 mm	Max. Extension (L1) 78.50 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80 Spring Rate: 0.07 N/mm Initial Tension (IT): 0.6 N Load at L1: 3.24 N Category: Springs - Extension - Stainless Steel
Part Number: ES-0400-0400-04-S4 (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $12.86 AUD Regular price ~~$15.44 AUD~~ Sale price $12.86 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0400-0400-04-S4 (PK-5) --- Extension Springs - 4x40x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Sale ES-0400-0400-04-S4 (PK-5) --- Extension Springs - 4x40x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Regular price $12.86 AUD Regular price ~~$15.44 AUD~~ Sale price $12.86 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4x40x0.45 mm Music Wire - Steel Spring
OD (D0) 4.00 mm	Overall Length (L0) 40 mm	Wire Diameter (d) 0.450 mm	Max. Extension (L1) 70.00 mm	Spring Rate 0.13 N/mm	Initial Tension (IT) 1.0 N
Material: Steel Load at L1: 4.81 N Category: Springs - Extension - Music Wire
Part Number: ES-0400-0400-045-M (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $5.41 AUD Regular price ~~$11.14 AUD~~ Sale price $5.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4x40x0.45 mm Music Wire - Steel Spring
OD (D0) 4.00 mm	Overall Length (L0) 40 mm	Wire Diameter (d) 0.450 mm	Max. Extension (L1) 70.00 mm
Material: Steel Spring Rate: 0.13 N/mm Initial Tension (IT): 1.0 N Load at L1: 4.81 N Category: Springs - Extension - Music Wire
Part Number: ES-0400-0400-045-M (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $5.41 AUD Regular price ~~$11.14 AUD~~ Sale price $5.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0400-0400-045-M (PK-5) --- Extension Springs - 4x40x0.45 mm Music Wire - Steel Spring Sale ES-0400-0400-045-M (PK-5) --- Extension Springs - 4x40x0.45 mm Music Wire - Steel Spring Regular price $5.41 AUD Regular price ~~$11.14 AUD~~ Sale price $5.41 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4x40x0.45 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0) 4.00 mm	Overall Length (L0) 40 mm	Wire Diameter (d) 0.450 mm	Max. Extension (L1) 70.00 mm	Spring Rate 0.13 N/mm	Initial Tension (IT) 1.0 N
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80 Load at L1: 4.81 N Category: Springs - Extension - Stainless Steel
Part Number: ES-0400-0400-045-S4 (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $11.68 AUD Regular price ~~$14.02 AUD~~ Sale price $11.68 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4x40x0.45 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0) 4.00 mm	Overall Length (L0) 40 mm	Wire Diameter (d) 0.450 mm	Max. Extension (L1) 70.00 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80 Spring Rate: 0.13 N/mm Initial Tension (IT): 1.0 N Load at L1: 4.81 N Category: Springs - Extension - Stainless Steel
Part Number: ES-0400-0400-045-S4 (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $11.68 AUD Regular price ~~$14.02 AUD~~ Sale price $11.68 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0400-0400-045-S4 (PK-5) --- Extension Springs - 4x40x0.45 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Sale ES-0400-0400-045-S4 (PK-5) --- Extension Springs - 4x40x0.45 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Regular price $11.68 AUD Regular price ~~$14.02 AUD~~ Sale price $11.68 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4x40x0.5 mm Music Wire - Steel Spring
OD (D0) 4.00 mm	Overall Length (L0) 40 mm	Wire Diameter (d) 0.500 mm	Max. Extension (L1) 64.00 mm	Spring Rate 0.22 N/mm	Initial Tension (IT) 1.2 N
Material: Steel Load at L1: 6.37 N Category: Springs - Extension - Music Wire
Part Number: ES-0400-0400-05-M (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $5.32 AUD Regular price ~~$10.87 AUD~~ Sale price $5.32 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4x40x0.5 mm Music Wire - Steel Spring
OD (D0) 4.00 mm	Overall Length (L0) 40 mm	Wire Diameter (d) 0.500 mm	Max. Extension (L1) 64.00 mm
Material: Steel Spring Rate: 0.22 N/mm Initial Tension (IT): 1.2 N Load at L1: 6.37 N Category: Springs - Extension - Music Wire
Part Number: ES-0400-0400-05-M (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $5.32 AUD Regular price ~~$10.87 AUD~~ Sale price $5.32 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0400-0400-05-M (PK-5) --- Extension Springs - 4x40x0.5 mm Music Wire - Steel Spring Sale ES-0400-0400-05-M (PK-5) --- Extension Springs - 4x40x0.5 mm Music Wire - Steel Spring Regular price $5.32 AUD Regular price ~~$10.87 AUD~~ Sale price $5.32 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4x40x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0) 4.00 mm	Overall Length (L0) 40 mm	Wire Diameter (d) 0.500 mm	Max. Extension (L1) 64.00 mm	Spring Rate 0.22 N/mm	Initial Tension (IT) 1.2 N
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80 Load at L1: 6.37 N Category: Springs - Extension - Stainless Steel
Part Number: ES-0400-0400-05-S4 (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $10.23 AUD Regular price ~~$12.27 AUD~~ Sale price $10.23 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4x40x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0) 4.00 mm	Overall Length (L0) 40 mm	Wire Diameter (d) 0.500 mm	Max. Extension (L1) 64.00 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80 Spring Rate: 0.22 N/mm Initial Tension (IT): 1.2 N Load at L1: 6.37 N Category: Springs - Extension - Stainless Steel
Part Number: ES-0400-0400-05-S4 (PK-5) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Aug 20, 2026 Regular price $10.23 AUD Regular price ~~$12.27 AUD~~ Sale price $10.23 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0400-0400-05-S4 (PK-5) --- Extension Springs - 4x40x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Sale ES-0400-0400-05-S4 (PK-5) --- Extension Springs - 4x40x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring Regular price $10.23 AUD Regular price ~~$12.27 AUD~~ Sale price $10.23 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Extension Springs - 4.57x12.7x0.56 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 12.7 mm	Wire Diameter (d) 0.56 mm	Max. Extension (L1) 18.540 mm	Spring Rate 1.839 N/mm	Initial Tension (IT) 0.8 N
Material: Steel Load at L1: 9.250 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0127-06-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Sep 10, 2026 Regular price $11.50 AUD Regular price Sale price $11.50 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Extension Springs - 4.57x12.7x0.56 mm Music Wire - Steel Spring
OD (D0) 4.57 mm	Overall Length (L0) 12.7 mm	Wire Diameter (d) 0.56 mm	Max. Extension (L1) 18.540 mm
Material: Steel Spring Rate: 1.839 N/mm Initial Tension (IT): 0.8 N Load at L1: 9.250 N Category: Springs - Extension - Music Wire
Part Number: ES-0457-0127-06-M (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Thu, Sep 10, 2026 Regular price $11.50 AUD Regular price Sale price $11.50 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
ES-0457-0127-06-M (Each) --- Extension Springs - 4.57x12.7x0.56 mm Music Wire - Steel Spring ES-0457-0127-06-M (Each) --- Extension Springs - 4.57x12.7x0.56 mm Music Wire - Steel Spring Regular price $11.50 AUD Regular price Sale price $11.50 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now

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Miniature Bearings Australia

Collection: Springs - Extension

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