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OD OD |
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Thickness Thickness |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Minimum Hardness Minimum Hardness |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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About Washers
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Metal Sealing Washers

Also known as crush washers, these compress when tightened to form a tighter, more durable seal than rubber washers. They are commonly used to seal fluids such as oil and fuel. Washers are not reusable.
Copper washers are corrosion resistant in wet environments, nonmagnetic, and electrically conductive.
Aluminum washers are lightweight and corrosion resistant in wet environments.
For technical drawings and 3-D models, click on a part number.
For Screw Size | ID, mm | OD, mm | Thick., mm | Specifications Met | Pkg. Qty. | Pkg. | |
Copper | |||||||
---|---|---|---|---|---|---|---|
M5 | 5.2 | 10.4 | 0.8-1.2 | DIN 7603 | 25 | 000000000 | 000000 |
M6 | 6.2 | 9.9 | 0.8-1.2 | DIN 7603 | 25 | 000000000 | 00000 |
M6 | 6.2 | 11.9 | 0.8-1.2 | DIN 7603 | 25 | 000000000 | 0000 |
M6 | 6.2 | 12.4 | 1.3-1.7 | DIN 7603 | 25 | 000000000 | 00000 |
M8 | 8.2 | 11.9 | 0.8-1.2 | DIN 7603 | 25 | 000000000 | 00000 |
M8 | 8.2 | 12.4 | 1.3-1.7 | DIN 7603 | 25 | 000000000 | 00000 |
M8 | 8.2 | 13.9 | 0.8-1.2 | DIN 7603 | 25 | 000000000 | 00000 |
M10 | 10.2 | 13.9 | 0.8-1.2 | DIN 7603 | 25 | 000000000 | 00000 |
M10 | 10.2 | 13.9 | 1.3-1.7 | DIN 7603 | 10 | 000000000 | 0000 |
M10 | 10.2 | 15.9 | 1.3-1.7 | DIN 7603 | 25 | 000000000 | 00000 |
M12 | 12.2 | 15.9 | 1.3-1.7 | DIN 7603 | 25 | 000000000 | 00000 |
M12 | 12.2 | 16.2 | 0.8-1.2 | DIN 7603 | 25 | 000000000 | 00000 |
M12 | 12.2 | 17.9 | 1.3-1.7 | DIN 7603 | 25 | 000000000 | 00000 |
M14 | 14.2 | 17.9 | 0.8-1.2 | DIN 7603 | 10 | 000000000 | 00000 |
M14 | 14.2 | 17.9 | 1.3-1.7 | DIN 7603 | 10 | 000000000 | 00000 |
M14 | 14.2 | 19.9 | 1.3-1.7 | DIN 7603 | 10 | 000000000 | 00000 |
M16 | 16.2 | 19.9 | 1.3-1.7 | DIN 7603 | 10 | 000000000 | 00000 |
M16 | 16.2 | 21.9 | 1.3-1.7 | DIN 7603 | 10 | 000000000 | 00000 |
M16 | 16.2 | 21.9 | 1.8-2.2 | DIN 7603 | 10 | 000000000 | 00000 |
M18 | 18.2 | 21.9 | 1.3-1.7 | DIN 7603 | 5 | 000000000 | 0000 |
M18 | 18.2 | 23.9 | 1.3-1.7 | DIN 7603 | 10 | 000000000 | 00000 |
M20 | 20.2 | 23.9 | 1.3-1.7 | DIN 7603 | 5 | 000000000 | 0000 |
M20 | 20.2 | 25.9 | 1.3-1.7 | DIN 7603 | 5 | 000000000 | 00000 |
M22 | 22.2 | 26.9 | 1.3-1.7 | DIN 7603 | 5 | 000000000 | 00000 |
M22 | 22.2 | 28.9 | 1.3-1.7 | DIN 7603 | 5 | 000000000 | 00000 |
M24 | 24.3 | 29.9 | 1.8-2.2 | DIN 7603 | 5 | 000000000 | 00000 |
M26 | 26.3 | 31.9 | 1.8-2.2 | DIN 7603 | 5 | 000000000 | 00000 |
M28 | 28.3 | 35.9 | 1.3-1.7 | DIN 7603 | 5 | 000000000 | 00000 |
M30 | 30.3 | 35.9 | 1.8-2.2 | DIN 7603 | 5 | 000000000 | 00000 |
M32 | 32.3 | 37.9 | 1.8-2.2 | DIN 7603 | 5 | 000000000 | 00000 |
M36 | 36.3 | 41.9 | 1.8-2.2 | DIN 7603 | 5 | 000000000 | 00000 |
M36 | 36.3 | 43.9 | 1.8-2.2 | DIN 7603 | 1 | 000000000 | 00000 |
M38 | 38.3 | 43.9 | 1.8-2.2 | DIN 7603 | 1 | 000000000 | 00000 |
M42 | 42.3 | 48.9 | 1.8-2.2 | DIN 7603 | 1 | 000000000 | 00000 |
M48 | 48.3 | 54.9 | 1.8-2.2 | DIN 7603 | 1 | 000000000 | 00000 |
Aluminum | |||||||
M6 | 6.2 | 9.9 | 0.8-1.2 | DIN 7603 | 50 | 000000000 | 00000 |
M6 | 6.2 | 11.9 | 0.8-1.2 | DIN 7603 | 50 | 000000000 | 00000 |
M8 | 8.2 | 11.9 | 0.8-1.2 | DIN 7603 | 50 | 000000000 | 00000 |
M8 | 8.2 | 13.9 | 0.8-1.2 | DIN 7603 | 10 | 000000000 | 0000 |
M10 | 10.2 | 13.9 | 0.8-1.2 | DIN 7603 | 50 | 000000000 | 00000 |
M10 | 10.2 | 13.9 | 1.3-1.7 | DIN 7603 | 10 | 000000000 | 0000 |
M10 | 10.2 | 15.9 | 0.8-1.2 | DIN 7603 | 50 | 000000000 | 00000 |
M10 | 10.2 | 15.9 | 1.3-1.7 | DIN 7603 | 10 | 000000000 | 0000 |
M12 | 12.2 | 15.9 | 1.3-1.7 | DIN 7603 | 50 | 000000000 | 00000 |
M12 | 12.2 | 17.9 | 1.3-1.7 | DIN 7603 | 50 | 000000000 | 00000 |
M14 | 14.2 | 17.9 | 1.3-1.7 | DIN 7603 | 25 | 000000000 | 00000 |
M14 | 14.2 | 19.9 | 1.3-1.7 | DIN 7603 | 25 | 000000000 | 00000 |
M16 | 16.2 | 19.9 | 1.3-1.7 | DIN 7603 | 25 | 000000000 | 00000 |
M16 | 16.2 | 21.9 | 1.3-1.7 | DIN 7603 | 10 | 000000000 | 00000 |
M18 | 18.2 | 21.9 | 1.3-1.7 | DIN 7603 | 5 | 000000000 | 0000 |
M18 | 18.2 | 23.9 | 1.3-1.7 | DIN 7603 | 10 | 000000000 | 00000 |
M20 | 20.2 | 23.9 | 1.3-1.7 | DIN 7603 | 5 | 000000000 | 0000 |
M20 | 20.2 | 25.9 | 1.3-1.7 | DIN 7603 | 10 | 000000000 | 00000 |
M22 | 22.2 | 26.9 | 1.3-1.7 | DIN 7603 | 10 | 000000000 | 00000 |
M24 | 24.3 | 29.9 | 1.8-2.2 | DIN 7603 | 10 | 000000000 | 00000 |
M24 | 24.3 | 31.9 | 1.8-2.2 | DIN 7603 | 5 | 000000000 | 0000 |
M26 | 26.3 | 31.9 | 1.8-2.2 | DIN 7603 | 10 | 000000000 | 00000 |
Ring Shims

Precisely align, level, and adjust spacing on fasteners, shafts, and machinery with these shims.
For accurate leveling, choose materials such as steel or stainless steel, which are hard enough to resist scratching and deforming. Softer shims, like copper or aluminum, can be used as wear plates between components that rub together, preventing damage to equipment.
Aluminum shims are lightweight and nonmagnetic. They have good corrosion resistance.
Brass and copper shims are corrosion resistant and nonmagnetic.
For technical drawings and 3-D models, click on a part number.
ID | ID Tolerance | OD | OD Tolerance | Material | Min. Hardness | Pkg. Qty. | Pkg. | |
0.005" Thick. (-0.0005" to 0.0005" Tolerance) | ||||||||
---|---|---|---|---|---|---|---|---|
3/8" | 0" to 0.011" | 5/8" | -0.002" to 0.002" | 1100 Aluminum | Not Rated | 10 | 000000000 | 000000 |
1/2" | 0" to 0.011" | 3/4" | -0.002" to 0.002" | 1100 Aluminum | Not Rated | 10 | 000000000 | 00000 |
5/8" | 0" to 0.011" | 1" | -0.002" to 0.002" | 1100 Aluminum | Not Rated | 10 | 000000000 | 00000 |
3/4" | 0" to 0.011" | 1 1/8" | -0.002" to 0.002" | 1100 Aluminum | Not Rated | 5 | 000000000 | 00000 |
0.01" Thick. (-0.001" to 0.001" Tolerance) | ||||||||
3/8" | 0" to 0.011" | 5/8" | -0.002" to 0.002" | 1100 Aluminum | Not Rated | 10 | 000000000 | 00000 |
1/2" | 0" to 0.011" | 3/4" | -0.002" to 0.002" | 1100 Aluminum | Not Rated | 10 | 000000000 | 00000 |
5/8" | 0" to 0.011" | 1" | -0.002" to 0.002" | 1100 Aluminum | Not Rated | 10 | 000000000 | 00000 |
3/4" | 0" to 0.011" | 1 1/8" | -0.002" to 0.002" | 1100 Aluminum | Not Rated | 10 | 000000000 | 00000 |
1" | 0" to 0.011" | 1 1/2" | -0.002" to 0.002" | 1100 Aluminum | Not Rated | 5 | 000000000 | 00000 |
ID | ID Tolerance | OD | OD Tolerance | Material | Min. Hardness | Pkg. Qty. | Pkg. | |
0.005" Thick. (-0.0005" to 0.0005" Tolerance) | ||||||||
---|---|---|---|---|---|---|---|---|
1/4" | 0" to 0.011" | 3/8" | -0.002" to 0.002" | 5052 Aluminum | Not Rated | 10 | 000000000 | 00000 |
0.01" Thick. (-0.001" to 0.001" Tolerance) | ||||||||
1/4" | 0" to 0.011" | 3/8" | -0.002" to 0.002" | 5052 Aluminum | Not Rated | 10 | 000000000 | 0000 |
0.016" Thick. (-0.0015" to 0.0015" Tolerance) | ||||||||
1/4" | 0" to 0.011" | 3/8" | -0.002" to 0.002" | 5052 Aluminum | Not Rated | 10 | 000000000 | 0000 |
3/8" | 0" to 0.011" | 5/8" | -0.002" to 0.002" | 5052 Aluminum | Not Rated | 10 | 000000000 | 00000 |
1/2" | 0" to 0.011" | 3/4" | -0.002" to 0.002" | 5052 Aluminum | Not Rated | 10 | 000000000 | 00000 |
5/8" | 0" to 0.011" | 1" | -0.002" to 0.002" | 5052 Aluminum | Not Rated | 10 | 000000000 | 00000 |
3/4" | 0" to 0.011" | 1 1/8" | -0.002" to 0.002" | 5052 Aluminum | Not Rated | 10 | 000000000 | 00000 |
1" | 0" to 0.011" | 1 1/2" | -0.002" to 0.002" | 5052 Aluminum | Not Rated | 10 | 000000000 | 00000 |
0.02" Thick. (-0.002" to 0.002" Tolerance) | ||||||||
1/4" | 0" to 0.011" | 3/8" | -0.002" to 0.002" | 5052 Aluminum | Not Rated | 10 | 000000000 | 0000 |
3/8" | 0" to 0.011" | 5/8" | -0.002" to 0.002" | 5052 Aluminum | Not Rated | 10 | 000000000 | 00000 |
1/2" | 0" to 0.011" | 3/4" | -0.002" to 0.002" | 5052 Aluminum | Not Rated | 10 | 000000000 | 00000 |
5/8" | 0" to 0.011" | 1" | -0.002" to 0.002" | 5052 Aluminum | Not Rated | 10 | 000000000 | 00000 |
3/4" | 0" to 0.011" | 1 1/8" | -0.002" to 0.002" | 5052 Aluminum | Not Rated | 10 | 000000000 | 00000 |
1" | 0" to 0.011" | 1 1/2" | -0.002" to 0.002" | 5052 Aluminum | Not Rated | 10 | 000000000 | 00000 |
0.032" Thick. (-0.0025" to 0.0025" Tolerance) | ||||||||
1/4" | 0" to 0.011" | 3/8" | -0.002" to 0.002" | 5052 Aluminum | Not Rated | 10 | 000000000 | 00000 |
3/8" | 0" to 0.011" | 5/8" | -0.002" to 0.002" | 5052 Aluminum | Not Rated | 10 | 000000000 | 00000 |
1/2" | 0" to 0.011" | 3/4" | -0.002" to 0.002" | 5052 Aluminum | Not Rated | 10 | 000000000 | 0000 |
5/8" | 0" to 0.011" | 1" | -0.002" to 0.002" | 5052 Aluminum | Not Rated | 10 | 000000000 | 00000 |
3/4" | 0" to 0.011" | 1 1/8" | -0.002" to 0.002" | 5052 Aluminum | Not Rated | 10 | 000000000 | 00000 |
1" | 0" to 0.011" | 1 1/2" | -0.002" to 0.002" | 5052 Aluminum | Not Rated | 10 | 000000000 | 00000 |
0.063" Thick. (-0.0035" to 0.0035" Tolerance) | ||||||||
1/4" | 0" to 0.011" | 3/8" | -0.002" to 0.002" | 5052 Aluminum | Not Rated | 10 | 000000000 | 0000 |
3/8" | 0" to 0.011" | 5/8" | -0.002" to 0.002" | 5052 Aluminum | Not Rated | 10 | 000000000 | 0000 |
1/2" | 0" to 0.011" | 3/4" | -0.002" to 0.002" | 5052 Aluminum | Not Rated | 10 | 000000000 | 0000 |
5/8" | 0" to 0.011" | 1" | -0.002" to 0.002" | 5052 Aluminum | Not Rated | 10 | 000000000 | 0000 |
3/4" | 0" to 0.011" | 1 1/8" | -0.002" to 0.002" | 5052 Aluminum | Not Rated | 10 | 000000000 | 0000 |
1" | 0" to 0.011" | 1 1/2" | -0.002" to 0.002" | 5052 Aluminum | Not Rated | 10 | 000000000 | 00000 |
1/8" Thick. (-0.007" to 0.007" Tolerance) | ||||||||
3/8" | 0" to 0.011" | 5/8" | -0.002" to 0.002" | 5052 Aluminum | Not Rated | 5 | 000000000 | 0000 |
1/2" | 0" to 0.011" | 3/4" | -0.002" to 0.002" | 5052 Aluminum | Not Rated | 5 | 000000000 | 00000 |
5/8" | 0" to 0.011" | 1" | -0.002" to 0.002" | 5052 Aluminum | Not Rated | 5 | 000000000 | 00000 |
3/4" | 0" to 0.011" | 1 1/8" | -0.002" to 0.002" | 5052 Aluminum | Not Rated | 5 | 000000000 | 00000 |
ID | ID Tolerance | OD | OD Tolerance | Material | Min. Hardness | Specifications Met | Pkg. Qty. | Pkg. | |
0.002" Thick. (-0.0006" to 0.0006" Tolerance) | |||||||||
---|---|---|---|---|---|---|---|---|---|
3/8" | 0" to 0.011" | 5/8" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 10 | 000000000 | 00000 |
1/2" | 0" to 0.011" | 3/4" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 10 | 000000000 | 00000 |
1" | 0" to 0.011" | 1 1/2" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 10 | 000000000 | 00000 |
0.005" Thick. (-0.0008" to 0.0008" Tolerance) | |||||||||
1/4" | 0" to 0.011" | 3/8" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 10 | 000000000 | 0000 |
3/8" | 0" to 0.011" | 5/8" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 10 | 000000000 | 0000 |
1/2" | 0" to 0.011" | 3/4" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 10 | 000000000 | 0000 |
5/8" | 0" to 0.011" | 1" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 10 | 000000000 | 00000 |
3/4" | 0" to 0.011" | 1 1/8" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 10 | 000000000 | 00000 |
7/8" | 0" to 0.011" | 1 3/8" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 10 | 000000000 | 00000 |
1" | 0" to 0.011" | 1 1/2" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 10 | 000000000 | 00000 |
1 1/4" | 0" to 0.011" | 1 3/4" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 10 | 000000000 | 00000 |
0.01" Thick. (-0.0013" to 0.0013" Tolerance) | |||||||||
1/4" | 0" to 0.011" | 3/8" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 10 | 000000000 | 0000 |
3/8" | 0" to 0.011" | 5/8" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 10 | 000000000 | 00000 |
1/2" | 0" to 0.011" | 3/4" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 10 | 000000000 | 00000 |
5/8" | 0" to 0.011" | 1" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 10 | 000000000 | 00000 |
3/4" | 0" to 0.011" | 1 1/8" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 10 | 000000000 | 00000 |
7/8" | 0" to 0.011" | 1 3/8" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 10 | 000000000 | 00000 |
1" | 0" to 0.011" | 1 1/2" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 10 | 000000000 | 00000 |
1 1/4" | 0" to 0.011" | 1 3/4" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 10 | 000000000 | 00000 |
0.016" Thick. (-0.0025" to 0.0025" Tolerance) | |||||||||
3/8" | 0" to 0.011" | 5/8" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 10 | 000000000 | 00000 |
1/2" | 0" to 0.011" | 3/4" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 10 | 000000000 | 00000 |
5/8" | 0" to 0.011" | 1" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 10 | 000000000 | 00000 |
3/4" | 0" to 0.011" | 1 1/8" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 10 | 000000000 | 00000 |
1" | 0" to 0.011" | 1 1/2" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 5 | 000000000 | 00000 |
0.02" Thick. (-0.003" to 0.003" Tolerance) | |||||||||
1/4" | 0" to 0.011" | 3/8" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 10 | 000000000 | 0000 |
3/8" | 0" to 0.011" | 5/8" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 10 | 000000000 | 0000 |
1/2" | 0" to 0.011" | 3/4" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 10 | 000000000 | 0000 |
5/8" | 0" to 0.011" | 1" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 10 | 000000000 | 00000 |
3/4" | 0" to 0.011" | 1 1/8" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 10 | 000000000 | 00000 |
7/8" | 0" to 0.011" | 1 3/8" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 10 | 000000000 | 00000 |
1" | 0" to 0.011" | 1 1/2" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 10 | 000000000 | 00000 |
1 1/4" | 0" to 0.011" | 1 3/4" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 10 | 000000000 | 00000 |
0.025" Thick. (-0.003" to 0.003" Tolerance) | |||||||||
3/8" | 0" to 0.011" | 5/8" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 10 | 000000000 | 00000 |
1/2" | 0" to 0.011" | 3/4" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 10 | 000000000 | 00000 |
5/8" | 0" to 0.011" | 1" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 10 | 000000000 | 00000 |
3/4" | 0" to 0.011" | 1 1/8" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 10 | 000000000 | 00000 |
1" | 0" to 0.011" | 1 1/2" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 10 | 000000000 | 00000 |