Collection: Washers - Square - Heavy Duty
Washers -> Square -> Heavy DutyThere are 9 products in the sub-categories of Washers - Square - Heavy Duty. Browse the Washers - Square - Heavy Duty products table. To narrow down the selection, please choose a sub-category from the links below.
Washers - Square - Heavy Duty - 304 Stainless Steel
A selection of 304 Stainless Steel Heavy Duty Square Washers. 304 stainless...
Washers - Square - Heavy Duty - Steel
A selection of Steel Heavy Duty Square Washers. Zinc plated and carbon...
Category Details
This category includes various types of square washers.
- Square washers are designed to distribute loads and prevent rotation when placed in a square recess or used with square neck screws.
- Often used in structural applications where greater stability and load distribution are needed than what a standard round washer provides.
Miniature Bearings Australia - MBA Minibearings
Additional resources:
A more concise listing may be found in the Washers - Square - Heavy Duty category on the Small Parts & Bearings online store.
| Nominal Inside Diameter (A) | Outside Length (B) | Thickness |
Indicative Image |
|---|---|---|---|
|
Nominal Inside Diameter (A)
9.525
mm (Equiv. 0.375 in.) |
Outside Length (B)
50.8
mm (Equiv. 2 in.) |
Thickness
6.35
mm (Equiv. 0.25 in.) |
|
|
Material: Stainless Steel 303 PV (Similar to A2, 304, 18-8)
Category: Washers - Square - Heavy Duty - 304 Stainless Steel |
|||
|
Part Number: W0095-SQ-051064S4
Square Washers - 9.525x50.8x6.35 mm Heavy Duty - Stainless Steel 303 PV Similar to A2, 304, 18-8 Washer Out of Stock | Backorder Now | Orders can be expected around Tue, Nov 18, 2025 Regular price
$46.59 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
|||
| Nominal Inside Diameter (A) | Outside Length (B) | Thickness |
Indicative Image |
|
Nominal Inside Diameter (A)
9.525
mm (Equiv. 0.375 in.) |
Outside Length (B)
50.8
mm (Equiv. 2 in.) |
Thickness
6.35
mm (Equiv. 0.25 in.) |
|
|
Material: Stainless Steel 303 PV (Similar to A2, 304, 18-8)
Category: Washers - Square - Heavy Duty - 304 Stainless Steel |
|||
|
Part Number: W0095-SQ-051064S4
Square Washers - 9.525x50.8x6.35 mm Heavy Duty - Stainless Steel 303 PV Similar to A2, 304, 18-8 Washer Out of Stock | Backorder Now | Orders can be expected around Tue, Nov 18, 2025 Regular price
$46.59 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
|||
|
|||
|
Nominal Inside Diameter (A)
12.7
mm (Equiv. 0.5 in.) |
Outside Length (B)
34.925
mm (Equiv. 1.375 in.) |
Thickness
6.35
mm (Equiv. 0.25 in.) |
|
|
Material: Carbon Spring Steel Self Finish
Category: Washers - Square - Heavy Duty - Steel |
|||
|
Part Number: W0127-SQ-035-064-C
Square Washers - 12.7x34.925x6.35 mm Heavy Duty - Carbon Spring Steel Self Finish Washer Out of Stock | Backorder Now | Orders can be expected around Tue, Nov 18, 2025 Regular price
$12.32 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
|||
|
Nominal Inside Diameter (A)
12.7
mm (Equiv. 0.5 in.) |
Outside Length (B)
34.925
mm (Equiv. 1.375 in.) |
Thickness
6.35
mm (Equiv. 0.25 in.) |
|
|
Material: Carbon Spring Steel Self Finish
Category: Washers - Square - Heavy Duty - Steel |
|||
|
Part Number: W0127-SQ-035-064-C
Square Washers - 12.7x34.925x6.35 mm Heavy Duty - Carbon Spring Steel Self Finish Washer Out of Stock | Backorder Now | Orders can be expected around Tue, Nov 18, 2025 Regular price
$12.32 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
|||
|
|||
|
Nominal Inside Diameter (A)
12.7
mm (Equiv. 0.5 in.) |
Outside Length (B)
50.8
mm (Equiv. 2 in.) |
Thickness
6.35
mm (Equiv. 0.25 in.) |
|
|
Material: Carbon Spring Steel Self Finish
Category: Washers - Square - Heavy Duty - Steel |
|||
|
Part Number: W0127-SQ-051-064-C
Square Washers - 12.7x50.8x6.35 mm Heavy Duty - Carbon Spring Steel Self Finish Washer Out of Stock | Backorder Now | Orders can be expected around Tue, Nov 18, 2025 Regular price
$16.50 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
|||
|
Nominal Inside Diameter (A)
12.7
mm (Equiv. 0.5 in.) |
Outside Length (B)
50.8
mm (Equiv. 2 in.) |
Thickness
6.35
mm (Equiv. 0.25 in.) |
|
|
Material: Carbon Spring Steel Self Finish
Category: Washers - Square - Heavy Duty - Steel |
|||
|
Part Number: W0127-SQ-051-064-C
Square Washers - 12.7x50.8x6.35 mm Heavy Duty - Carbon Spring Steel Self Finish Washer Out of Stock | Backorder Now | Orders can be expected around Tue, Nov 18, 2025 Regular price
$16.50 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
|||
|
|||
|
Nominal Inside Diameter (A)
12.7
mm (Equiv. 0.5 in.) |
Outside Length (B)
50.8
mm (Equiv. 2 in.) |
Thickness
6.35
mm (Equiv. 0.25 in.) |
|
|
Material: Stainless Steel 303 PV (Similar to A2, 304, 18-8)
Category: Washers - Square - Heavy Duty - 304 Stainless Steel |
|||
|
Part Number: W0127-SQ-051-064-S4
Square Washers - 12.7x50.8x6.35 mm Heavy Duty - Stainless Steel 303 PV Similar to A2, 304, 18-8 Washer Out of Stock | Backorder Now | Orders can be expected around Tue, Nov 18, 2025 Regular price
$45.77 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
|||
|
Nominal Inside Diameter (A)
12.7
mm (Equiv. 0.5 in.) |
Outside Length (B)
50.8
mm (Equiv. 2 in.) |
Thickness
6.35
mm (Equiv. 0.25 in.) |
|
|
Material: Stainless Steel 303 PV (Similar to A2, 304, 18-8)
Category: Washers - Square - Heavy Duty - 304 Stainless Steel |
|||
|
Part Number: W0127-SQ-051-064-S4
Square Washers - 12.7x50.8x6.35 mm Heavy Duty - Stainless Steel 303 PV Similar to A2, 304, 18-8 Washer Out of Stock | Backorder Now | Orders can be expected around Tue, Nov 18, 2025 Regular price
$45.77 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
|||
|
|||
|
Nominal Inside Diameter (A)
15.875
mm (Equiv. 0.625 in.) |
Outside Length (B)
50.8
mm (Equiv. 2 in.) |
Thickness
6.35
mm (Equiv. 0.25 in.) |
|
|
Material: Carbon Spring Steel Self Finish
Category: Washers - Square - Heavy Duty - Steel |
|||
|
Part Number: W0159-SQ-051-064-C
Square Washers - 15.875x50.8x6.35 mm Heavy Duty - Carbon Spring Steel Self Finish Washer Out of Stock | Backorder Now | Orders can be expected around Tue, Nov 18, 2025 Regular price
$17.14 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
|||
|
Nominal Inside Diameter (A)
15.875
mm (Equiv. 0.625 in.) |
Outside Length (B)
50.8
mm (Equiv. 2 in.) |
Thickness
6.35
mm (Equiv. 0.25 in.) |
|
|
Material: Carbon Spring Steel Self Finish
Category: Washers - Square - Heavy Duty - Steel |
|||
|
Part Number: W0159-SQ-051-064-C
Square Washers - 15.875x50.8x6.35 mm Heavy Duty - Carbon Spring Steel Self Finish Washer Out of Stock | Backorder Now | Orders can be expected around Tue, Nov 18, 2025 Regular price
$17.14 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
|||
|
|||
|
Nominal Inside Diameter (A)
15.875
mm (Equiv. 0.625 in.) |
Outside Length (B)
50.8
mm (Equiv. 2 in.) |
Thickness
6.35
mm (Equiv. 0.25 in.) |
|
|
Material: Stainless Steel 303 PV (Similar to A2, 304, 18-8)
Category: Washers - Square - Heavy Duty - 304 Stainless Steel |
|||
|
Part Number: W0159-SQ-051-064-S4
Square Washers - 15.875x50.8x6.35 mm Heavy Duty - Stainless Steel 303 PV Similar to A2, 304, 18-8 Washer Out of Stock | Backorder Now | Orders can be expected around Tue, Nov 18, 2025 Regular price
$46.41 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
|||
|
Nominal Inside Diameter (A)
15.875
mm (Equiv. 0.625 in.) |
Outside Length (B)
50.8
mm (Equiv. 2 in.) |
Thickness
6.35
mm (Equiv. 0.25 in.) |
|
|
Material: Stainless Steel 303 PV (Similar to A2, 304, 18-8)
Category: Washers - Square - Heavy Duty - 304 Stainless Steel |
|||
|
Part Number: W0159-SQ-051-064-S4
Square Washers - 15.875x50.8x6.35 mm Heavy Duty - Stainless Steel 303 PV Similar to A2, 304, 18-8 Washer Out of Stock | Backorder Now | Orders can be expected around Tue, Nov 18, 2025 Regular price
$46.41 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
|||
|
|||
|
Nominal Inside Diameter (A)
19.05
mm (Equiv. 0.75 in.) |
Outside Length (B)
50.8
mm (Equiv. 2 in.) |
Thickness
6.35
mm (Equiv. 0.25 in.) |
|
|
Material: Carbon Spring Steel Self Finish
Category: Washers - Square - Heavy Duty - Steel |
|||
|
Part Number: W0191-SQ-051-064-C
Square Washers - 19.05x50.8x6.35 mm Heavy Duty - Carbon Spring Steel Self Finish Washer Out of Stock | Backorder Now | Orders can be expected around Tue, Nov 18, 2025 Regular price
$16.50 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
|||
|
Nominal Inside Diameter (A)
19.05
mm (Equiv. 0.75 in.) |
Outside Length (B)
50.8
mm (Equiv. 2 in.) |
Thickness
6.35
mm (Equiv. 0.25 in.) |
|
|
Material: Carbon Spring Steel Self Finish
Category: Washers - Square - Heavy Duty - Steel |
|||
|
Part Number: W0191-SQ-051-064-C
Square Washers - 19.05x50.8x6.35 mm Heavy Duty - Carbon Spring Steel Self Finish Washer Out of Stock | Backorder Now | Orders can be expected around Tue, Nov 18, 2025 Regular price
$16.50 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
|||
|
|||
|
Nominal Inside Diameter (A)
19.05
mm (Equiv. 0.75 in.) |
Outside Length (B)
63.5
mm (Equiv. 2.5 in.) |
Thickness
6.35
mm (Equiv. 0.25 in.) |
|
|
Material: Carbon Spring Steel Self Finish
Category: Washers - Square - Heavy Duty - Steel |
|||
|
Part Number: W0191-SQ-064-064-C
Square Washers - 19.05x63.5x6.35 mm Heavy Duty - Carbon Spring Steel Self Finish Washer Out of Stock | Backorder Now | Orders can be expected around Tue, Nov 18, 2025 Regular price
$25.14 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
|||
|
Nominal Inside Diameter (A)
19.05
mm (Equiv. 0.75 in.) |
Outside Length (B)
63.5
mm (Equiv. 2.5 in.) |
Thickness
6.35
mm (Equiv. 0.25 in.) |
|
|
Material: Carbon Spring Steel Self Finish
Category: Washers - Square - Heavy Duty - Steel |
|||
|
Part Number: W0191-SQ-064-064-C
Square Washers - 19.05x63.5x6.35 mm Heavy Duty - Carbon Spring Steel Self Finish Washer Out of Stock | Backorder Now | Orders can be expected around Tue, Nov 18, 2025 Regular price
$25.14 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
|||
|
|||
|
Nominal Inside Diameter (A)
25.4
mm (Equiv. 1 in.) |
Outside Length (B)
63.5
mm (Equiv. 2.5 in.) |
Thickness
6.35
mm (Equiv. 0.25 in.) |
|
|
Material: Carbon Spring Steel Self Finish
Category: Washers - Square - Heavy Duty - Steel |
|||
|
Part Number: W0254-SQ-064-064-C
Square Washers - 25.4x63.5x6.35 mm Heavy Duty - Carbon Spring Steel Self Finish Washer Out of Stock | Backorder Now | Orders can be expected around Tue, Nov 18, 2025 Regular price
$24.59 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
|||
|
Nominal Inside Diameter (A)
25.4
mm (Equiv. 1 in.) |
Outside Length (B)
63.5
mm (Equiv. 2.5 in.) |
Thickness
6.35
mm (Equiv. 0.25 in.) |
|
|
Material: Carbon Spring Steel Self Finish
Category: Washers - Square - Heavy Duty - Steel |
|||
|
Part Number: W0254-SQ-064-064-C
Square Washers - 25.4x63.5x6.35 mm Heavy Duty - Carbon Spring Steel Self Finish Washer Out of Stock | Backorder Now | Orders can be expected around Tue, Nov 18, 2025 Regular price
$24.59 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
|||
|
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