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Black Flat Ring (USS) - Rustproof Finish
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These flat washers are made from sturdy steel with a black rustproof finish. They provide a greater bearing surface under the fastener, which prevents the screw, bolt, or nut from pulling through the material.
Product # | Bolt Diameter/Size | Outside Diameter | Inside Diameter | Thickness | Packaging format |
---|---|---|---|---|---|
PWBLK14 | 1/4 in | 3/4 in | 5/16 in | 3/64 to 5/64 in | Box of 6480 |
PWBLK516 | 5/16 in | 7/8 in | 3/8 in | 1/16 to 7/64 in | Box of 3840 |