The most-common kind of round washer, Flat Washers feature 2 flat surfaces for distributing the force/stress of a nut or bolt. They also help to reduce friction and heat during the installation of a threaded fastener.
Flat Washer TypeSAE Type A Narrow Flat Washer
Washer Basic MaterialSteel
System of MeasurementInch
Washer Material GradeLow Carbon
Fits Bolt Sizes1/2"
Washer Inside Dia.17/32"
Washer Outside Dia.1-1/16"
Rockwell HardnessRb 40 min
ApplicationBearing Surface for Fasteners and Fixtures
For Use WithScrews and Bolts
Washer StandardsASME B18.22.1
Package Weight1.83 lb.
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