Keys - Machine– Page3 – Miniature Bearings Australia - MBA Minibearings

Width (W)	Height (h)	Length (L)	Indicative Image
Machine Keys - 3x3x10 mm - Stainless Steel 303 Similar to A2, 304, 18-8 Key
Width (W) 3.00 mm _{+ 0 / - 0.051} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.051} (Equiv. 0.118 in.)	Length (L) 10.00 mm _{+/- 0.25} (Equiv. 0.394 in.)
Material: Stainless Steel 303 (Similar to A2, 304, 18-8) Category: Keys - Machine - Stainless Steel Additional stock available from USA subject to Prior Sale = 237
Part Number: K-0300-0300-1000A-3 (Each) Out of Stock \| Backorder Now \| Orders can be expected around Thu, Apr 16, 2026 Regular price $4.23 AUD Regular price Sale price $4.23 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Width (W)	Height (h)	Length (L)	Indicative Image
Machine Keys - 3x3x10 mm - Stainless Steel 303 Similar to A2, 304, 18-8 Key
Width (W) 3.00 mm _{+ 0 / - 0.051} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.051} (Equiv. 0.118 in.)	Length (L) 10.00 mm _{+/- 0.25} (Equiv. 0.394 in.)
Material: Stainless Steel 303 (Similar to A2, 304, 18-8) Category: Keys - Machine - Stainless Steel Additional stock available from USA subject to Prior Sale = 237
Part Number: K-0300-0300-1000A-3 (Each) Out of Stock \| Backorder Now \| Orders can be expected around Thu, Apr 16, 2026 Regular price $4.23 AUD Regular price Sale price $4.23 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
K-0300-0300-1000A-3 (Each) --- Machine Keys - 3x3x10 mm - Stainless Steel 303 Similar to A2, 304, 18-8 Key K-0300-0300-1000A-3 (Each) --- Machine Keys - 3x3x10 mm - Stainless Steel 303 Similar to A2, 304, 18-8 Key Regular price $4.23 AUD Regular price Sale price $4.23 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now
Machine Keys - 3x3x20 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0.025 / - 0.0} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0.025 / - 0.00} (Equiv. 0.118 in.)	Length (L) 20.00 mm _{+/- 0.25} (Equiv. 0.787 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-2000BO-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x20 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0.025 / - 0.0} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0.025 / - 0.00} (Equiv. 0.118 in.)	Length (L) 20.00 mm _{+/- 0.25} (Equiv. 0.787 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-2000BO-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity \| Orders can be expected around Tue, Dec 12, 2028
Machine Keys - 3x3x12 mm - Carbon Steel Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 12.00 mm _{+/- 0.25} (Equiv. 0.472 in.)
Material: Carbon Steel Finish: Plain Category: Keys - Machine - Carbon Steel Additional stock available from USA subject to Prior Sale = 9723
Part Number: K-0300-0300-1200A-C (PK-50) Out of Stock \| Backorder Now \| Orders can be expected around Thu, Apr 16, 2026 Regular price $19.32 AUD Regular price ~~$23.18 AUD~~ Sale price $19.32 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Machine Keys - 3x3x12 mm - Carbon Steel Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 12.00 mm _{+/- 0.25} (Equiv. 0.472 in.)
Material: Carbon Steel Finish: Plain Category: Keys - Machine - Carbon Steel Additional stock available from USA subject to Prior Sale = 9723
Part Number: K-0300-0300-1200A-C (PK-50) Out of Stock \| Backorder Now \| Orders can be expected around Thu, Apr 16, 2026 Regular price $19.32 AUD Regular price ~~$23.18 AUD~~ Sale price $19.32 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
K-0300-0300-1200A-C (PK-50) --- Machine Keys - 3x3x12 mm - Carbon Steel Key Sale K-0300-0300-1200A-C (PK-50) --- Machine Keys - 3x3x12 mm - Carbon Steel Key Regular price $19.32 AUD Regular price ~~$23.18 AUD~~ Sale price $19.32 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Machine Keys - 3x3x12 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 12.00 mm _{+/- 0.25} (Equiv. 0.472 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel Additional stock available from USA subject to Prior Sale = 121
Part Number: K-0300-0300-1200B-C (PK-50) Out of Stock \| Backorder Now \| Orders can be expected around Thu, Apr 16, 2026 Regular price $25.23 AUD Regular price ~~$30.27 AUD~~ Sale price $25.23 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Machine Keys - 3x3x12 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 12.00 mm _{+/- 0.25} (Equiv. 0.472 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel Additional stock available from USA subject to Prior Sale = 121
Part Number: K-0300-0300-1200B-C (PK-50) Out of Stock \| Backorder Now \| Orders can be expected around Thu, Apr 16, 2026 Regular price $25.23 AUD Regular price ~~$30.27 AUD~~ Sale price $25.23 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
K-0300-0300-1200B-C (PK-50) --- Machine Keys - 3x3x12 mm - Carbon Steel C45 Key Sale K-0300-0300-1200B-C (PK-50) --- Machine Keys - 3x3x12 mm - Carbon Steel C45 Key Regular price $25.23 AUD Regular price ~~$30.27 AUD~~ Sale price $25.23 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Machine Keys - 3x3x25 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0.025 / - 0.0} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0.025 / - 0.00} (Equiv. 0.118 in.)	Length (L) 25.00 mm _{+/- 0.25} (Equiv. 0.984 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-2500BO-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x25 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0.025 / - 0.0} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0.025 / - 0.00} (Equiv. 0.118 in.)	Length (L) 25.00 mm _{+/- 0.25} (Equiv. 0.984 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-2500BO-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity \| Orders can be expected around Tue, Dec 12, 2028
Machine Keys - 3x3x25 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 25.00 mm _{+/- 0.25} (Equiv. 0.984 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-2500B-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x25 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 25.00 mm _{+/- 0.25} (Equiv. 0.984 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-2500B-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity \| Orders can be expected around Tue, Dec 12, 2028
Machine Keys - 3x3x25 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0.025 / - 0.0} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0.025 / - 0.00} (Equiv. 0.118 in.)	Length (L) 25.00 mm _{+/- 0.25} (Equiv. 0.984 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-2500AO-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x25 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0.025 / - 0.0} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0.025 / - 0.00} (Equiv. 0.118 in.)	Length (L) 25.00 mm _{+/- 0.25} (Equiv. 0.984 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-2500AO-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity \| Orders can be expected around Tue, Dec 12, 2028
Machine Keys - 3x3x30 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0.025 / - 0.0} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0.025 / - 0.00} (Equiv. 0.118 in.)	Length (L) 30.00 mm _{+/- 0.25} (Equiv. 1.181 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-3000AO-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x30 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0.025 / - 0.0} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0.025 / - 0.00} (Equiv. 0.118 in.)	Length (L) 30.00 mm _{+/- 0.25} (Equiv. 1.181 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-3000AO-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity \| Orders can be expected around Tue, Dec 12, 2028
Machine Keys - 3x3x30 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 30.00 mm _{+/- 0.25} (Equiv. 1.181 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-3000B-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x30 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 30.00 mm _{+/- 0.25} (Equiv. 1.181 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-3000B-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity \| Orders can be expected around Tue, Dec 12, 2028
Machine Keys - 3x3x30 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0.025 / - 0.0} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0.025 / - 0.00} (Equiv. 0.118 in.)	Length (L) 30.00 mm _{+/- 0.25} (Equiv. 1.181 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-3000BO-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x30 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0.025 / - 0.0} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0.025 / - 0.00} (Equiv. 0.118 in.)	Length (L) 30.00 mm _{+/- 0.25} (Equiv. 1.181 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-3000BO-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity \| Orders can be expected around Tue, Dec 12, 2028
Machine Keys - 3x3x40 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0.025 / - 0.0} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0.025 / - 0.00} (Equiv. 0.118 in.)	Length (L) 40.00 mm _{+/- 0.25} (Equiv. 1.575 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-4000AO-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x40 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0.025 / - 0.0} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0.025 / - 0.00} (Equiv. 0.118 in.)	Length (L) 40.00 mm _{+/- 0.25} (Equiv. 1.575 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-4000AO-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity \| Orders can be expected around Tue, Dec 12, 2028
Machine Keys - 3x3x40 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 40.00 mm _{+/- 0.25} (Equiv. 1.575 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-4000B-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x40 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 40.00 mm _{+/- 0.25} (Equiv. 1.575 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-4000B-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity \| Orders can be expected around Tue, Dec 12, 2028
Machine Keys - 3x3x14 mm - Carbon Steel Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 14.00 mm _{+/- 0.25} (Equiv. 0.551 in.)
Material: Carbon Steel Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-1400A-C (PK-50) Out of Stock \| Backorder Now \| Orders can be expected around Mon, May 04, 2026 Regular price $19.86 AUD Regular price ~~$23.84 AUD~~ Sale price $19.86 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Machine Keys - 3x3x14 mm - Carbon Steel Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 14.00 mm _{+/- 0.25} (Equiv. 0.551 in.)
Material: Carbon Steel Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-1400A-C (PK-50) Out of Stock \| Backorder Now \| Orders can be expected around Mon, May 04, 2026 Regular price $19.86 AUD Regular price ~~$23.84 AUD~~ Sale price $19.86 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
K-0300-0300-1400A-C (PK-50) --- Machine Keys - 3x3x14 mm - Carbon Steel Key Sale K-0300-0300-1400A-C (PK-50) --- Machine Keys - 3x3x14 mm - Carbon Steel Key Regular price $19.86 AUD Regular price ~~$23.84 AUD~~ Sale price $19.86 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Machine Keys - 3x3x40 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0.025 / - 0.0} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0.025 / - 0.00} (Equiv. 0.118 in.)	Length (L) 40.00 mm _{+/- 0.25} (Equiv. 1.575 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-4000BO-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x40 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0.025 / - 0.0} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0.025 / - 0.00} (Equiv. 0.118 in.)	Length (L) 40.00 mm _{+/- 0.25} (Equiv. 1.575 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-4000BO-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity \| Orders can be expected around Tue, Dec 12, 2028
Machine Keys - 3x3x14 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 14.00 mm _{+/- 0.25} (Equiv. 0.551 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-1400B-C (PK-1400) Out of Stock \| Backorder Now \| Orders can be expected around Tue, Apr 28, 2026 Regular price $326.14 AUD Regular price ~~$391.36 AUD~~ Sale price $326.14 AUD Unit price per Priced, Stocked and Sold Per 1400 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Machine Keys - 3x3x14 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 14.00 mm _{+/- 0.25} (Equiv. 0.551 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-1400B-C (PK-1400) Out of Stock \| Backorder Now \| Orders can be expected around Tue, Apr 28, 2026 Regular price $326.14 AUD Regular price ~~$391.36 AUD~~ Sale price $326.14 AUD Unit price per Priced, Stocked and Sold Per 1400 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
K-0300-0300-1400B-C (PK-1400) --- Machine Keys - 3x3x14 mm - Carbon Steel C45 Key Sale K-0300-0300-1400B-C (PK-1400) --- Machine Keys - 3x3x14 mm - Carbon Steel C45 Key Regular price $326.14 AUD Regular price ~~$391.36 AUD~~ Sale price $326.14 AUD Unit price per Priced, Stocked and Sold Per 1400 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Machine Keys - 3x3x15 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 15.00 mm _{+/- 0.25} (Equiv. 0.591 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel Additional stock available from USA subject to Prior Sale = 437
Part Number: K-0300-0300-1500B-C (PK-50) Out of Stock \| Backorder Now \| Orders can be expected around Thu, Apr 16, 2026 Regular price $43.68 AUD Regular price ~~$52.42 AUD~~ Sale price $43.68 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Machine Keys - 3x3x15 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 15.00 mm _{+/- 0.25} (Equiv. 0.591 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel Additional stock available from USA subject to Prior Sale = 437
Part Number: K-0300-0300-1500B-C (PK-50) Out of Stock \| Backorder Now \| Orders can be expected around Thu, Apr 16, 2026 Regular price $43.68 AUD Regular price ~~$52.42 AUD~~ Sale price $43.68 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
K-0300-0300-1500B-C (PK-50) --- Machine Keys - 3x3x15 mm - Carbon Steel C45 Key Sale K-0300-0300-1500B-C (PK-50) --- Machine Keys - 3x3x15 mm - Carbon Steel C45 Key Regular price $43.68 AUD Regular price ~~$52.42 AUD~~ Sale price $43.68 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Machine Keys - 3x3x15 mm - Carbon Steel Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 15.00 mm _{+/- 0.25} (Equiv. 0.591 in.)
Material: Carbon Steel Finish: Plain Category: Keys - Machine - Carbon Steel Additional stock available from USA subject to Prior Sale = 169
Part Number: K-0300-0300-1500A-C (PK-100) Out of Stock \| Backorder Now \| Orders can be expected around Thu, Apr 16, 2026 Regular price $90.05 AUD Regular price ~~$108.05 AUD~~ Sale price $90.05 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Machine Keys - 3x3x15 mm - Carbon Steel Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 15.00 mm _{+/- 0.25} (Equiv. 0.591 in.)
Material: Carbon Steel Finish: Plain Category: Keys - Machine - Carbon Steel Additional stock available from USA subject to Prior Sale = 169
Part Number: K-0300-0300-1500A-C (PK-100) Out of Stock \| Backorder Now \| Orders can be expected around Thu, Apr 16, 2026 Regular price $90.05 AUD Regular price ~~$108.05 AUD~~ Sale price $90.05 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
K-0300-0300-1500A-C (PK-100) --- Machine Keys - 3x3x15 mm - Carbon Steel Key Sale K-0300-0300-1500A-C (PK-100) --- Machine Keys - 3x3x15 mm - Carbon Steel Key Regular price $90.05 AUD Regular price ~~$108.05 AUD~~ Sale price $90.05 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Machine Keys - 3x3x16 mm - Carbon Steel Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 16.00 mm _{+/- 0.25} (Equiv. 0.63 in.)
Material: Carbon Steel Finish: Plain Category: Keys - Machine - Carbon Steel Additional stock available from USA subject to Prior Sale = 1551
Part Number: K-0300-0300-1600A-C (PK-50) Out of Stock \| Backorder Now \| Orders can be expected around Thu, Apr 16, 2026 Regular price $28.50 AUD Regular price ~~$34.20 AUD~~ Sale price $28.50 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Machine Keys - 3x3x16 mm - Carbon Steel Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 16.00 mm _{+/- 0.25} (Equiv. 0.63 in.)
Material: Carbon Steel Finish: Plain Category: Keys - Machine - Carbon Steel Additional stock available from USA subject to Prior Sale = 1551
Part Number: K-0300-0300-1600A-C (PK-50) Out of Stock \| Backorder Now \| Orders can be expected around Thu, Apr 16, 2026 Regular price $28.50 AUD Regular price ~~$34.20 AUD~~ Sale price $28.50 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
K-0300-0300-1600A-C (PK-50) --- Machine Keys - 3x3x16 mm - Carbon Steel Key Sale K-0300-0300-1600A-C (PK-50) --- Machine Keys - 3x3x16 mm - Carbon Steel Key Regular price $28.50 AUD Regular price ~~$34.20 AUD~~ Sale price $28.50 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Machine Keys - 3x3x18 mm - Carbon Steel Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 18.00 mm _{+/- 0.25} (Equiv. 0.709 in.)
Material: Carbon Steel Finish: Plain Category: Keys - Machine - Carbon Steel Additional stock available from USA subject to Prior Sale = 1118
Part Number: K-0300-0300-1800A-C (PK-50) Out of Stock \| Backorder Now \| Orders can be expected around Thu, Apr 16, 2026 Regular price $29.05 AUD Regular price ~~$34.85 AUD~~ Sale price $29.05 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Machine Keys - 3x3x18 mm - Carbon Steel Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 18.00 mm _{+/- 0.25} (Equiv. 0.709 in.)
Material: Carbon Steel Finish: Plain Category: Keys - Machine - Carbon Steel Additional stock available from USA subject to Prior Sale = 1118
Part Number: K-0300-0300-1800A-C (PK-50) Out of Stock \| Backorder Now \| Orders can be expected around Thu, Apr 16, 2026 Regular price $29.05 AUD Regular price ~~$34.85 AUD~~ Sale price $29.05 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
K-0300-0300-1800A-C (PK-50) --- Machine Keys - 3x3x18 mm - Carbon Steel Key Sale K-0300-0300-1800A-C (PK-50) --- Machine Keys - 3x3x18 mm - Carbon Steel Key Regular price $29.05 AUD Regular price ~~$34.85 AUD~~ Sale price $29.05 AUD Unit price per Priced, Stocked and Sold Per 50 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Machine Keys - 3x3x20 mm - Carbon Steel Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 20.00 mm _{+/- 0.25} (Equiv. 0.787 in.)
Material: Carbon Steel Finish: Plain Category: Keys - Machine - Carbon Steel Additional stock available from USA subject to Prior Sale = 2325
Part Number: K-0300-0300-2000A-C (PK-10) 127 units (1270 pcs) Available Now \| Further orders can be expected around Thu, Apr 16, 2026 Regular price $6.14 AUD Regular price Sale price $6.14 AUD Unit price per Priced, Stocked and Sold Per 10 Units Excludes GST and overseas Taxes & Duties Quantity Required Larger quantities than the 127 available can be backordered.
Machine Keys - 3x3x20 mm - Carbon Steel Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 20.00 mm _{+/- 0.25} (Equiv. 0.787 in.)
Material: Carbon Steel Finish: Plain Category: Keys - Machine - Carbon Steel Additional stock available from USA subject to Prior Sale = 2325
Part Number: K-0300-0300-2000A-C (PK-10) 127 units (1270 pcs) Available Now \| Further orders can be expected around Thu, Apr 16, 2026 Regular price $6.14 AUD Regular price Sale price $6.14 AUD Unit price per Priced, Stocked and Sold Per 10 Units Excludes GST and overseas Taxes & Duties Quantity Required 127 units (1270 pcs) Available Now. Backorder if more than 127.
K-0300-0300-2000A-C (PK-10) --- Machine Keys - 3x3x20 mm - Carbon Steel Key K-0300-0300-2000A-C (PK-10) --- Machine Keys - 3x3x20 mm - Carbon Steel Key Regular price $6.14 AUD Regular price Sale price $6.14 AUD Unit price per Priced, Stocked and Sold Per 10 Units Excludes GST and overseas Taxes & Duties 127 Available Now
Machine Keys - 3x3x20 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 20.00 mm _{+/- 0.25} (Equiv. 0.787 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel Additional stock available from USA subject to Prior Sale = 198
Part Number: K-0300-0300-2000B-C (PK-100) Out of Stock \| Backorder Now \| Orders can be expected around Thu, Apr 16, 2026 Regular price $116.77 AUD Regular price ~~$140.13 AUD~~ Sale price $116.77 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Machine Keys - 3x3x20 mm - Carbon Steel C45 Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 20.00 mm _{+/- 0.25} (Equiv. 0.787 in.)
Material: Carbon Steel C45 Finish: Plain Category: Keys - Machine - Carbon Steel Additional stock available from USA subject to Prior Sale = 198
Part Number: K-0300-0300-2000B-C (PK-100) Out of Stock \| Backorder Now \| Orders can be expected around Thu, Apr 16, 2026 Regular price $116.77 AUD Regular price ~~$140.13 AUD~~ Sale price $116.77 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
K-0300-0300-2000B-C (PK-100) --- Machine Keys - 3x3x20 mm - Carbon Steel C45 Key Sale K-0300-0300-2000B-C (PK-100) --- Machine Keys - 3x3x20 mm - Carbon Steel C45 Key Regular price $116.77 AUD Regular price ~~$140.13 AUD~~ Sale price $116.77 AUD Unit price per Priced, Stocked and Sold Per 100 Units Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Machine Keys - 3x3x25 mm - Carbon Steel Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 25.00 mm _{+/- 0.25} (Equiv. 0.984 in.)
Material: Carbon Steel Finish: Plain Category: Keys - Machine - Carbon Steel Additional stock available from USA subject to Prior Sale = 18
Part Number: K-0300-0300-2500A-C (PK-5) 9 units (45 pcs) Available Now \| Further orders can be expected around Thu, Apr 16, 2026 Regular price $3.68 AUD Regular price Sale price $3.68 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required Larger quantities than the 9 available can be backordered.
Machine Keys - 3x3x25 mm - Carbon Steel Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 25.00 mm _{+/- 0.25} (Equiv. 0.984 in.)
Material: Carbon Steel Finish: Plain Category: Keys - Machine - Carbon Steel Additional stock available from USA subject to Prior Sale = 18
Part Number: K-0300-0300-2500A-C (PK-5) 9 units (45 pcs) Available Now \| Further orders can be expected around Thu, Apr 16, 2026 Regular price $3.68 AUD Regular price Sale price $3.68 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties Quantity Required 9 units (45 pcs) Available Now. Backorder if more than 9.
K-0300-0300-2500A-C (PK-5) --- Machine Keys - 3x3x25 mm - Carbon Steel Key K-0300-0300-2500A-C (PK-5) --- Machine Keys - 3x3x25 mm - Carbon Steel Key Regular price $3.68 AUD Regular price Sale price $3.68 AUD Unit price per Priced, Stocked and Sold Per 5 Units Excludes GST and overseas Taxes & Duties 9 Available Now
Machine Keys - 3x3x30 mm - Carbon Steel Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 30.00 mm _{+/- 0.25} (Equiv. 1.181 in.)
Material: Carbon Steel Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-3000A-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x30 mm - Carbon Steel Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 30.00 mm _{+/- 0.25} (Equiv. 1.181 in.)
Material: Carbon Steel Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-3000A-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity \| Orders can be expected around Tue, Dec 12, 2028
Machine Keys - 3x3x40 mm - Carbon Steel Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 40.00 mm _{+/- 0.25} (Equiv. 1.575 in.)
Material: Carbon Steel Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-4000A-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x40 mm - Carbon Steel Key
Width (W) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Height (h) 3.00 mm _{+ 0 / - 0.025} (Equiv. 0.118 in.)	Length (L) 40.00 mm _{+/- 0.25} (Equiv. 1.575 in.)
Material: Carbon Steel Finish: Plain Category: Keys - Machine - Carbon Steel
Part Number: K-0300-0300-4000A-C (Each) Contact Us \| Special Order Only - Please contact us if you need a large quantity \| Orders can be expected around Tue, Dec 12, 2028

Miniature Bearings Australia

Collection: Keys - Machine

K-0300-0300-1000A-3 (Each) --- Machine Keys - 3x3x10 mm - Stainless Steel 303 Similar to A2, 304, 18-8 Key

K-0300-0300-1000A-3 (Each) --- Machine Keys - 3x3x10 mm - Stainless Steel 303 Similar to A2, 304, 18-8 Key

K-0300-0300-1200A-C (PK-50) --- Machine Keys - 3x3x12 mm - Carbon Steel Key

K-0300-0300-1200A-C (PK-50) --- Machine Keys - 3x3x12 mm - Carbon Steel Key

K-0300-0300-1200B-C (PK-50) --- Machine Keys - 3x3x12 mm - Carbon Steel C45 Key

K-0300-0300-1200B-C (PK-50) --- Machine Keys - 3x3x12 mm - Carbon Steel C45 Key

K-0300-0300-1400A-C (PK-50) --- Machine Keys - 3x3x14 mm - Carbon Steel Key

K-0300-0300-1400A-C (PK-50) --- Machine Keys - 3x3x14 mm - Carbon Steel Key

K-0300-0300-1400B-C (PK-1400) --- Machine Keys - 3x3x14 mm - Carbon Steel C45 Key

K-0300-0300-1400B-C (PK-1400) --- Machine Keys - 3x3x14 mm - Carbon Steel C45 Key

K-0300-0300-1500B-C (PK-50) --- Machine Keys - 3x3x15 mm - Carbon Steel C45 Key

K-0300-0300-1500B-C (PK-50) --- Machine Keys - 3x3x15 mm - Carbon Steel C45 Key

K-0300-0300-1500A-C (PK-100) --- Machine Keys - 3x3x15 mm - Carbon Steel Key

K-0300-0300-1500A-C (PK-100) --- Machine Keys - 3x3x15 mm - Carbon Steel Key

K-0300-0300-1600A-C (PK-50) --- Machine Keys - 3x3x16 mm - Carbon Steel Key

K-0300-0300-1600A-C (PK-50) --- Machine Keys - 3x3x16 mm - Carbon Steel Key

K-0300-0300-1800A-C (PK-50) --- Machine Keys - 3x3x18 mm - Carbon Steel Key

K-0300-0300-1800A-C (PK-50) --- Machine Keys - 3x3x18 mm - Carbon Steel Key

K-0300-0300-2000A-C (PK-10) --- Machine Keys - 3x3x20 mm - Carbon Steel Key

K-0300-0300-2000A-C (PK-10) --- Machine Keys - 3x3x20 mm - Carbon Steel Key

K-0300-0300-2000B-C (PK-100) --- Machine Keys - 3x3x20 mm - Carbon Steel C45 Key

K-0300-0300-2000B-C (PK-100) --- Machine Keys - 3x3x20 mm - Carbon Steel C45 Key

K-0300-0300-2500A-C (PK-5) --- Machine Keys - 3x3x25 mm - Carbon Steel Key

K-0300-0300-2500A-C (PK-5) --- Machine Keys - 3x3x25 mm - Carbon Steel Key

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Miniature Bearings Australia

Collection: Keys - Machine

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