Thru Hardened USS Flat Washer, Plated
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Thru Hardened USS Flat Washer, Plated

Thru-hardened USS flat washers are used under bolt heads or nuts to increase the bearing surface area, or to offer protection so that the nut or bolt can be rotated without distortion of the bearing surface. Flat washers are also used to give tightness to a joint, to prevent leakage, and especially to distribute pressure under the head of a bolt or nut. Dimensional specifications are governed by ASME B18.21.1. USS (United States Standard) flat washers have a larger outer diameter than SAE (Society of Automotive Engineers) flat washers, and can be utilized in nearly any application. Available in zinc plated finish. Zinc plating sacrifices itself, corroding before the base material, offering added corrosion resistance.

Thru Hardened USS Flat Washer, Plated
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Diameter Inside Diameter Outside Diameter Thickness Item # Availability Price Quantity UOM
1/4 0.3120 0.7340 0.0650 WF8P025 In Stock $0.06949/EA EA
5/16 0.3750 0.8750 0.0830 WF8P031 In Stock $0.09698/EA EA
3/8 0.4380 1.0000 0.0830 WF8P037 In Stock $0.09246/EA EA
7/16 0.5000 1.2500 0.0830 WF8P043 3-5 Working Days $0.29859/EA EA
1/2 0.5620 1.3750 0.1090 WF8P050 In Stock $0.22584/EA EA
9/16 0.6250 1.4690 0.1090 WF8P056 In Stock $0.252/EA EA
5/8 0.6880 1.7500 0.1340 WF8P062 In Stock $0.46086/EA EA
3/4 0.8120 2.0000 0.1480 WF8P075 In Stock $0.61311/EA EA
7/8 0.9380 2.2500 0.1650 WF8P087 3-5 Working Days $1.16936/EA EA
1 1.2500 2.5000 0.1650 WF8P100 In Stock $1.1759/EA EA
1 1/8 1.3750 2.7500 0.1650 WF8P112 In Stock $1.40034/EA EA
1 1/4 1.3750 3.0000 0.1650 WF8P125 In Stock $1.94909/EA EA
1 3/8 1.5000 3.2500 0.1800 WF8P137 3-5 Working Days $7.69188/EA EA
1 1/2 1.6250 3.5000 0.1800 WF8P150 In Stock $3.45212/EA EA