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ASME Washers
Stainless Steel%20--%3e%3csvg%20version='1.1'%20id='Layer_1'%20xmlns='http://www.w3.org/2000/svg'%20xmlns:xlink='http://www.w3.org/1999/xlink'%20x='0px'%20y='0px'%20viewBox='0%200%20400%20400'%20style='enable-background:new%200%200%20400%20400;'%20xml:space='preserve'%3e%3cstyle%20type='text/css'%3e%20.st0{fill:%231A70A0;}%20.st1{opacity:0.5;}%20%3c/style%3e%3cg%3e%3cg%3e%3cpath%20class='st0'%20d='M200,56.9c38.35,0,74.4,14.93,101.51,42.05c27.11,27.11,42.05,63.17,42.05,101.51s-14.93,74.4-42.05,101.51%20S238.35,344.02,200,344.02s-74.4-14.93-101.51-42.05c-27.11-27.11-42.05-63.17-42.05-101.51s14.93-74.4,42.05-101.51%20S161.65,56.9,200,56.9%20M200,12.9C96.41,12.9,12.44,96.88,12.44,200.46c0,103.59,83.97,187.56,187.56,187.56%20c103.59,0,187.56-83.97,187.56-187.56C387.56,96.88,303.59,12.9,200,12.9L200,12.9z'/%3e%3c/g%3e%3cg%3e%3cg%20class='st1'%3e%3cpath%20class='st0'%20d='M235.49,152.24h16.15l-27.46,111.87c-1.94,7.8-2.91,12.5-2.91,14.1c0,1.82,0.58,3.29,1.73,4.41%20c1.16,1.12,2.69,1.68,4.61,1.68c5.23,0,11.78-3.85,19.63-11.55l17.22,21.34c-16.95,17.33-34.87,26-53.78,26%20c-8.37,0-15.45-1.47-21.23-4.41c-5.79-2.94-10.44-7.25-13.95-12.92c-3.51-5.67-5.27-11.18-5.27-16.53c0-1.93,0.35-5.24,1.05-9.94%20c1-6.94,2.05-12.54,3.15-16.82l15.22-62.15h-32.69l7.65-30.97C190.89,163.58,214.53,158.88,235.49,152.24z%20M230.44,80.84%20c8.24,0,14.66,2.62,19.26,7.86c4.6,5.24,6.9,11.55,6.9,18.94c0,5.46-1.42,10.7-4.25,15.73c-2.83,5.03-6.88,9.07-12.12,12.12%20c-5.24,3.05-10.33,4.57-15.24,4.57c-4.6,0-9.17-1.23-13.72-3.69c-4.55-2.46-8.02-5.78-10.43-9.95%20c-2.41-4.17-3.61-8.67-3.61-13.48c0-5.35,1.52-10.64,4.57-15.89c3.05-5.24,7.03-9.25,11.96-12.04%20C218.68,82.23,224.24,80.84,230.44,80.84z'/%3e%3c/g%3e%3cg%3e%3cpath%20class='st0'%20d='M214.08,152.24h16.15l-27.46,111.87c-1.94,7.8-2.91,12.5-2.91,14.1c0,1.82,0.58,3.29,1.73,4.41%20c1.16,1.12,2.69,1.68,4.61,1.68c5.23,0,11.78-3.85,19.63-11.55l17.22,21.34c-16.95,17.33-34.87,26-53.78,26%20c-8.37,0-15.45-1.47-21.23-4.41c-5.79-2.94-10.44-7.25-13.95-12.92c-3.51-5.67-5.27-11.18-5.27-16.53c0-1.93,0.35-5.24,1.05-9.94%20c1-6.94,2.05-12.54,3.15-16.82l15.22-62.15h-32.69l7.65-30.97C169.48,163.58,193.11,158.88,214.08,152.24z%20M209.03,80.84%20c8.24,0,14.66,2.62,19.26,7.86c4.6,5.24,6.9,11.55,6.9,18.94c0,5.46-1.42,10.7-4.25,15.73c-2.83,5.03-6.88,9.07-12.12,12.12%20c-5.24,3.05-10.33,4.57-15.24,4.57c-4.6,0-9.17-1.23-13.72-3.69c-4.55-2.46-8.02-5.78-10.43-9.95%20c-2.41-4.17-3.61-8.67-3.61-13.48c0-5.35,1.52-10.64,4.57-15.89c3.05-5.24,7.03-9.25,11.96-12.04%20C197.26,82.23,202.83,80.84,209.03,80.84z'/%3e%3c/g%3e%3c/g%3e%3c/g%3e%3c/svg%3e)
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18-8 Stainless Steel—The choice for wet and outdoor environments, these washers resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.
Highly Corrosion-Resistant 316 Stainless Steel—Superior to 18-8 stainless steel, these washers won't degrade when exposed to harsh weather, salt water, and most chemicals.
For Screw Size | ASME Designation | ID, mm | OD, mm | Thk., mm | Specs. Met | Pkg. Qty. | Pkg. | |||
|---|---|---|---|---|---|---|---|---|---|---|
18-8 Stainless Steel | ||||||||||
| M2.5 | Narrow | 3.1 | 5.9 | 0.6 to 0.9 | ASME B18.22M | 1 | 92217A611 | 00000 | ||
| M2.5 | Regular | 3.0 | 7.7 | 0.6 to 0.9 | ASME B18.22M | 1 | 92217A622 | 0000 | ||
| M2.5 | Wide | 3.0 | 9.7 | 0.8 to 1.2 | ASME B18.22M | 1 | 92217A635 | 0000 | ||
| M3 | Narrow | 3.5 | 6.7 | 0.6 to 0.9 | ASME B18.22M | 1 | 92217A612 | 0000 | ||
| M3 | Regular | 3.5 | 9.8 | 0.8 to 1.2 | ASME B18.22M | 1 | 92217A623 | 0000 | ||
| M3 | Wide | 3.5 | 11.8 | 1.0 to 1.4 | ASME B18.22M | 1 | 92217A636 | 0000 | ||
| M4 | Narrow | 4.7 | 9.8 | 0.8 to 1.2 | ASME B18.22M | 1 | 92217A613 | 0000 | ||
| M4 | Regular | 4.7 | 11.8 | 1.0 to 1.4 | ASME B18.22M | 1 | 92217A624 | 0000 | ||
| M4 | Wide | 4.7 | 15.8 | 1.6 to 2.3 | ASME B18.22M | 1 | 92217A637 | 0000 | ||
| M5 | Narrow | 5.6 | 10.6 | 1.0 to 1.4 | ASME B18.22M | 1 | 92217A614 | 0000 | ||
| M5 | Regular | 5.6 | 14.7 | 1.2 to 1.8 | ASME B18.22M | 1 | 92217A625 | 0000 | ||
| M5 | Wide | 5.6 | 19.8 | 1.6 to 2.3 | ASME B18.22M | 1 | 92217A638 | 0000 | ||
| M6 | Narrow | 6.7 | 12.7 | 1.2 to 1.8 | ASME B18.22M | 1 | 92217A615 | 0000 | ||
| M6 | Regular | 6.7 | 18.6 | 1.2 to 1.8 | ASME B18.22M | 1 | 92217A626 | 0000 | ||
| M6 | Wide | 6.7 | 25.0 | 1.6 to 2.3 | ASME B18.22M | 1 | 92217A639 | 0000 | ||
| M10 | Narrow | 10.9 | 19.8 | 1.6 to 2.3 | ASME B18.22M | 1 | 92217A616 | 0000 | ||
| M10 | Regular | 10.9 | 27.7 | 2.0 to 2.8 | ASME B18.22M | 1 | 92217A627 | 0000 | ||
| M10 | Wide | 10.9 | 38.6 | 2.5 to 3.5 | ASME B18.22M | 1 | 92217A641 | 0000 | ||
| M12 | Narrow | 13.4 | 24.9 | 2.0 to 2.8 | ASME B18.22M | 1 | 92217A617 | 0000 | ||
| M12 | Regular | 13.4 | 33.7 | 2.5 to 3.5 | ASME B18.22M | 1 | 92217A628 | 0000 | ||
| M12 | Wide | 13.4 | 43.6 | 2.5 to 3.5 | ASME B18.22M | 1 | 92217A642 | 0000 | ||
| M14 | Regular | 15.3 | 38.6 | 2.5 to 3.5 | ASME B18.22M | 1 | 92217A629 | 0000 | ||
| M14 | Wide | 15.3 | 49.5 | 3.0 to 4.0 | ASME B18.22M | 1 | 92217A643 | 00000 | ||
| M16 | Narrow | 17.4 | 31.7 | 2.5 to 3.5 | ASME B18.22M | 1 | 92217A618 | 0000 | ||
| M16 | Regular | 17.3 | 43.6 | 3.0 to 4.0 | ASME B18.22M | 1 | 92217A631 | 0000 | ||
| M16 | Wide | 17.4 | 55.5 | 3.5 to 4.6 | ASME B18.22M | 1 | 92217A644 | 0000 | ||
| M20 | Narrow | 21.9 | 38.4 | 3.0 to 4.0 | ASME B18.22M | 1 | 92217A619 | 0000 | ||
| M20 | Regular | 22.0 | 49.6 | 3.5 to 4.6 | ASME B18.22M | 1 | 92217A632 | 00000 | ||
| M20 | Wide | 22.0 | 65.0 | 4.0 to 5.1 | ASME B18.22M | 1 | 92217A645 | 00000 | ||
| M24 | Regular | 25.7 | 55.5 | 4.0 to 5.1 | ASME B18.22M | 1 | 92217A633 | 0000 | ||
| M30 | Narrow | 32.5 | 55.5 | 4.0 to 5.1 | ASME B18.22M | 1 | 92217A621 | 00000 | ||
| M30 | Regular | 32.5 | 71.4 | 4.5 to 5.6 | ASME B18.22M | 1 | 92217A634 | 00000 | ||
Highly Corrosion-Resistant 316 Stainless Steel | ||||||||||
| M2.5 | Narrow | 3.1 | 5.9 | 0.6 to 0.9 | ASME B18.22M | 1 | 92844A211 | 0000 | ||
| M3 | Narrow | 3.5 | 6.7 | 0.6 to 0.9 | ASME B18.22M | 1 | 92844A212 | 0000 | ||
| M4 | Narrow | 4.7 | 9.8 | 0.8 to 1.2 | ASME B18.22M | 1 | 92844A213 | 0000 | ||
| M4 | Regular | 4.7 | 11.8 | 1.0 to 1.4 | ASME B18.22M | 1 | 92844A221 | 0000 | ||
| M4 | Wide | 4.7 | 15.8 | 1.6 to 2.3 | ASME B18.22M | 1 | 92844A229 | 0000 | ||
| M5 | Narrow | 5.6 | 10.6 | 1.0 to 1.4 | ASME B18.22M | 1 | 92844A214 | 0000 | ||
| M5 | Regular | 5.6 | 14.8 | 1.2 to 1.8 | ASME B18.22M | 1 | 92844A222 | 0000 | ||
| M5 | Wide | 5.6 | 19.8 | 1.6 to 2.3 | ASME B18.22M | 1 | 92844A231 | 0000 | ||
| M6 | Narrow | 6.7 | 12.7 | 1.2 to 1.8 | ASME B18.22M | 1 | 92844A215 | 0000 | ||
| M6 | Regular | 6.7 | 18.6 | 1.2 to 1.8 | ASME B18.22M | 1 | 92844A223 | 0000 | ||
| M6 | Wide | 6.7 | 25.0 | 1.6 to 2.3 | ASME B18.22M | 1 | 92844A232 | 0000 | ||
| M10 | Narrow | 10.9 | 19.8 | 1.6 to 2.3 | ASME B18.22M | 1 | 92844A216 | 0000 | ||
| M10 | Regular | 10.9 | 27.7 | 2.0 to 2.8 | ASME B18.22M | 1 | 92844A224 | 0000 | ||
| M10 | Wide | 10.9 | 38.6 | 2.5 to 3.5 | ASME B18.22M | 1 | 92844A233 | 0000 | ||
| M12 | Narrow | 13.4 | 24.9 | 2.0 to 2.8 | ASME B18.22M | 1 | 92844A217 | 0000 | ||
| M12 | Regular | 13.4 | 33.7 | 2.5 to 3.5 | ASME B18.22M | 1 | 92844A225 | 0000 | ||
| M12 | Wide | 13.4 | 43.6 | 2.5 to 3.5 | ASME B18.22M | 1 | 92844A234 | 0000 | ||
| M14 | Narrow | 15.3 | 27.7 | 2.0 to 2.8 | ASME B18.22M | 1 | 92844A218 | 0000 | ||
| M14 | Wide | 15.3 | 49.5 | 3.0 to 4.0 | ASME B18.22M | 1 | 92844A235 | 0000 | ||
| M16 | Narrow | 17.4 | 31.7 | 2.5 to 3.5 | ASME B18.22M | 1 | 92844A219 | 0000 | ||
| M16 | Regular | 17.3 | 43.6 | 3.0 to 4.0 | ASME B18.22M | 1 | 92844A226 | 0000 | ||
| M16 | Wide | 17.4 | 55.5 | 3.5 to 4.6 | ASME B18.22M | 1 | 92844A236 | 00000 | ||
| M20 | Regular | 21.9 | 49.6 | 3.5 to 4.6 | ASME B18.22M | 1 | 92844A227 | 00000 | ||
| M20 | Wide | 22.0 | 65.0 | 4.0 to 5.1 | ASME B18.22M | 1 | 92844A237 | 00000 | ||
| M24 | Regular | 25.7 | 55.5 | 4.0 to 5.1 | ASME B18.22M | 1 | 92844A228 | 00000 | ||
Steel
|
Zinc-Plated Steel—A common choice for areas with occasional exposure to moisture.
For Screw Size | ASME Designation | ID, mm | OD, mm | Thk., mm | Specs. Met | Pkg. Qty. | Pkg. | |||
|---|---|---|---|---|---|---|---|---|---|---|
Zinc-Plated Steel | ||||||||||
| M3 | Narrow | 3.5 | 6.8 | 0.6 to 0.9 | ASME B18.22M | 1 | 94744A711 | 00000 | ||
| M3 | Regular | 3.5 | 9.9 | 0.8 to 1.2 | ASME B18.22M | 1 | 94744A721 | 00000 | ||
| M3 | Wide | 3.5 | 11.8 | 1.0 to 1.4 | ASME B18.22M | 1 | 94744A733 | 0000 | ||
| M4 | Narrow | 4.8 | 9.7 | 0.8 to 1.2 | ASME B18.22M | 1 | 94744A712 | 0000 | ||
| M4 | Regular | 4.8 | 11.8 | 1.0 to 1.4 | ASME B18.22M | 1 | 94744A722 | 0000 | ||
| M4 | Wide | 4.7 | 15.8 | 1.6 to 2.3 | ASME B18.22M | 1 | 94744A734 | 0000 | ||
| M5 | Narrow | 5.6 | 10.7 | 1.0 to 1.4 | ASME B18.22M | 1 | 94744A713 | 0000 | ||
| M5 | Regular | 5.7 | 14.6 | 1.2 to 1.8 | ASME B18.22M | 1 | 94744A723 | 0000 | ||
| M5 | Wide | 5.6 | 19.8 | 1.6 to 2.3 | ASME B18.22M | 1 | 94744A735 | 0000 | ||
| M6 | Narrow | 6.7 | 12.7 | 1.2 to 1.8 | ASME B18.22M | 1 | 94744A714 | 0000 | ||
| M6 | Regular | 6.7 | 18.6 | 1.2 to 1.8 | ASME B18.22M | 1 | 94744A724 | 0000 | ||
| M6 | Wide | 6.7 | 25.0 | 1.6 to 2.3 | ASME B18.22M | 1 | 94744A736 | 0000 | ||
| M10 | Narrow | 10.9 | 19.7 | 1.6 to 2.3 | ASME B18.22M | 1 | 94744A715 | 0000 | ||
| M10 | Regular | 10.9 | 27.7 | 2.0 to 2.8 | ASME B18.22M | 1 | 94744A725 | 0000 | ||
| M10 | Wide | 10.9 | 38.6 | 2.5 to 3.5 | ASME B18.22M | 1 | 94744A737 | 00000 | ||
| M12 | Narrow | 13.4 | 24.9 | 2.0 to 2.8 | ASME B18.22M | 1 | 94744A716 | 0000 | ||
| M12 | Regular | 13.4 | 33.7 | 2.5 to 3.5 | ASME B18.22M | 1 | 94744A726 | 0000 | ||
| M12 | Wide | 13.4 | 43.6 | 2.5 to 3.5 | ASME B18.22M | 1 | 94744A738 | 0000 | ||
| M14 | Regular | 15.3 | 38.6 | 2.5 to 3.5 | ASME B18.22M | 1 | 94744A727 | 00000 | ||
| M16 | Narrow | 17.4 | 31.7 | 2.5 to 3.5 | ASME B18.22M | 1 | 94744A717 | 0000 | ||
| M16 | Regular | 17.3 | 43.6 | 3.0 to 4.0 | ASME B18.22M | 1 | 94744A728 | 00000 | ||
| M16 | Wide | 17.3 | 55.5 | 3.5 to 4.6 | ASME B18.22M | 1 | 94744A739 | 00000 | ||
| M20 | Narrow | 22.0 | 38.7 | 3.0 to 4.0 | ASME B18.22M | 1 | 94744A718 | 00000 | ||
| M20 | Regular | 21.9 | 49.6 | 3.5 to 4.6 | ASME B18.22M | 1 | 94744A729 | 00000 | ||
| M20 | Wide | 22.0 | 65.0 | 4.0 to 5.1 | ASME B18.22M | 1 | 94744A741 | 00000 | ||
| M24 | Regular | 25.7 | 55.5 | 4.0 to 5.1 | ASME B18.22M | 1 | 94744A731 | 00000 | ||
| M24 | Wide | 25.7 | 71.4 | 4.5 to 5.6 | ASME B18.22M | 1 | 94744A742 | 00000 | ||
| M30 | Narrow | 32.5 | 55.5 | 4.0 to 5.1 | ASME B18.22M | 1 | 94744A719 | 00000 | ||
| M30 | Regular | 32.5 | 71.4 | 4.5 to 5.6 | ASME B18.22M | 1 | 94744A732 | 00000 | ||
Ultra-High-Temperature Ceramic Washers
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Our most heat-resistant washers, even at blistering temperatures up to 3000° F. They distribute pressure evenly under nuts and screws in industrial furnaces, kilns, and other extreme-temperature environments. Ceramic may crack or dent if subjected to hard bumps, however, so these washers are not recommended for high-vibration applications.
Material Certificate—Washers include a report with a traceable lot number.
Temp. Range | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
For Screw Size | ID, mm | OD, mm | Thk., mm | Min. | Max., ° F | Specs. Met | Color | Certificate Type | Each | ||
| M2 | 2.6 | 6.0 | 0.6 to 0.9 | Not Rated | 3,000 | ASME B18.22M | Off-White | — | 94610A420 | 00000 | |
| M3 | 3.6 | 10.0 | 0.8 to 1.2 | Not Rated | 3,000 | ASME B18.22M | Off-White | — | 94610A430 | 0000 | |
| M4 | 4.8 | 12.0 | 1.0 to 1.4 | Not Rated | 3,000 | ASME B18.22M | Off-White | — | 94610A440 | 0000 | |
| M8 | 9.0 | 25.4 | 1.6 to 2.3 | Not Rated | 3,000 | ASME B18.22M | Off-White | — | 94610A480 | 0000 | |
| M10 | 11.0 | 28.0 | 2.0 to 2.8 | Not Rated | 3,000 | ASME B18.22M | Off-White | — | 94610A410 | 0000 | |
| M12 | 13.4 | 34.0 | 2.5 to 3.5 | Not Rated | 3,000 | ASME B18.22M | Off-White | — | 94610A412 | 0000 | |
| M14 | 15.4 | 39.0 | 2.5 to 3.5 | Not Rated | 3,000 | ASME B18.22M | Off-White | — | 94610A414 | 00000 | |
| M16 | 17.4 | 44.0 | 3.0 to 4.0 | Not Rated | 3,000 | ASME B18.22M | Off-White | Material Certificate | 94610A416 | 00000 | |
| M20 | 22.0 | 50.0 | 3.5 to 4.6 | Not Rated | 3,000 | ASME B18.22M | Off-White | — | 94610A421 | 00000 | |
Plastic Washers
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All of these washers are lightweight, nonconductive, and naturally rust resistant. They are commonly used in electronics and automation applications to take the pressure off screws and nuts and protect mounting surfaces.
Nylon—The most popular plastic washers, these are strong, durable, and economical. Nylon will swell and weaken when exposed to moisture, so these washers are best for dry environments.
