1/2"x1-3/8" O.D., USS Type A Wide Flat Washer, Steel, Low Carbon, Zinc Plated, PK100
The 2 large, flat surfaces on these USS Type Wide Flat washers distribute the force/stress over a wider area when tightening a nut or bolt, and also help to reduce friction and heat.
Flat Washer TypeUSS Type A Wide Flat Washer
Washer Basic MaterialSteel
System of MeasurementInch
Washer Material GradeLow Carbon
Fastener FinishZinc Plated
Fits Bolt Sizes1/2"
Washer Inside Dia.9/16"
Washer Outside Dia.1-3/8"
For Use WithScrews and Studs
Washer StandardsASME B18.22.1
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