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Hardened Washer Dimensions

Click table to show drawingWasher
Bolt Size B A C Weight (lbs.) Per 1000 Pieces Part Numbers
Outside Diameter Inside Diameter Thickness Domestic
Min Max Plain Galvanized
1⁄2 11⁄16 17⁄32 0.097 0.177 18 16440 16441
5⁄8 15⁄16 11⁄16 0.122 0.177 33 16442 16443
3⁄4 115⁄32 13⁄16 0.122 0.177 41 16444 16445
7⁄8 13⁄4 15⁄16 0.136 0.177 64 16446 16447
1 2 11⁄16 0.136 0.177 82 16448 16449
11⁄8 21⁄4 13⁄16 0.136 0.177 105 16450 16451
11⁄4 21⁄2 13⁄8 0.136 0.177 133 16452 16453
13⁄8 23⁄4 11⁄2 0.136 0.177 163 16454 16455
11⁄2 3 15⁄8 0.136 0.177 200 16456 16457
15⁄8 31⁄4 13⁄4 0.178 0.28 320 19481* 19482*
13⁄4 33⁄8 17⁄8 0.178 0.28 307 16458 16459
17⁄8 31⁄2 2 0.178 0.28 360 16471* 16472
2 33⁄4 21⁄8 0.178 0.28 380 16460 16461
21⁄4 4 23⁄8 0.24 0.34 560 16462 16463
21⁄2 41⁄2 25⁄8 0.24 0.34 720 16464 16465
23⁄4 5 27⁄8 0.24 0.34 920 16611 16612
3 51⁄2 31⁄8 0.24 0.34 1040 16613 16614
31⁄4 6 33⁄8 0.24 0.34 1350 - -
31⁄2 61⁄2 35⁄8 0.24 0.34 1633 18490 18460
33⁄4 7 37⁄8 0.24 0.34 1880 - -
4 71⁄2 41⁄8 0.24 0.34 2200 18461 18462
Dimensions per ASTM F436
*Usually domestic
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