USS Flat Washers
Flat Washers, Lock Washers, Beveled Washers and Structural Washers
- One of the most common types of flat washers, National Bolt & Nut’s Type A wide series USS flat washers possess a flat bearing surface underneath the fastener that more evenly distributes pressure. Designed to meet most industrial applications, ranging from maintenance to manufacturing and repair, USS flat washers help prevent a nut, bolt, or screw from pulling through the material. Our USS flat washers meet ANSI B18.22.1 dimensional specifications.
- Other materials and finishes available. For further information, call or send an information request.
Item # |
Size |
Finish |
---|---|---|
pn-12290 | Size N/A 9/16 in | Finish N/A Plain |
pn-12313 | Size N/A 9/16 in | Finish N/A Zinc/Clear |
pn-12336 | Size N/A 9/16 in | Finish N/A Plain |
pn-12358 | Size N/A 9/16 in | Finish N/A Zinc/Yellow |
pn-12361 | Size N/A 7/8 in | Finish N/A Zinc/Yellow |
pn-12351 | Size N/A 7/8 in | Finish N/A Zinc/Clear |
pn-12339 | Size N/A 7/8 in | Finish N/A Plain |
pn-12316 | Size N/A 7/8 in | Finish N/A Zinc/Clear |
pn-12293 | Size N/A 7/8 in | Finish N/A Plain |
pn-12288 | Size N/A 7/16 in | Finish N/A Plain |
pn-12311 | Size N/A 7/16 in | Finish N/A Zinc/Clear |
pn-12334 | Size N/A 7/16 in | Finish N/A Plain |
pn-12347 | Size N/A 7/16 in | Finish N/A Zinc/Clear |
pn-12356 | Size N/A 7/16 in | Finish N/A Zinc/Yellow |
pn-12359 | Size N/A 5/8 in | Finish N/A Zinc/Yellow |
pn-12349 | Size N/A 5/8 in | Finish N/A Zinc/Clear |
pn-12337 | Size N/A 5/8 in | Finish N/A Plain |
pn-12314 | Size N/A 5/8 in | Finish N/A Zinc/Clear |
pn-12291 | Size N/A 5/8 in | Finish N/A Plain |
pn-12286 | Size N/A 5/16 in | Finish N/A Plain |
pn-12309 | Size N/A 5/16 in | Finish N/A Zinc/Clear |
pn-12345 | Size N/A 5/16 in | Finish N/A Zinc/Clear |
pn-12332 | Size N/A 5/16 in | Finish N/A Plain |
pn-12354 | Size N/A 5/16 in | Finish N/A Zinc/Yellow |
pn-12355 | Size N/A 3/8 in | Finish N/A Zinc/Yellow |