Thru Hardened SAE Flat Washer, Plated
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Thru Hardened SAE Flat Washer, Plated

Thru Hardened SAE flat washers, typically used with Grade 8 or hardened steel bolting, 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. SAE flat washers have a smaller outer diameter than USS flat washers. These fasteners are available in yellow zinc plated finish. Zinc plating sacrifices itself, corroding before the base material, offering added corrosion resistance.

Thru Hardened SAE Flat Washer, Plated
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Diameter Inside Diameter Outside Diameter Thickness Item # Availability Price Quantity UOM
1/4 0.2810 0.6250 0.0650 WF8P025SAE In Stock $0.02771/EA EA
5/16 0.3440 0.6880 0.0650 WF8P031SAE In Stock $0.02902/EA EA
3/8 0.4060 0.8120 0.0650 WF8P037SAE In Stock $0.04328/EA EA
7/16 0.4690 0.9220 0.0650 WF8P043SAE In Stock $0.10262/EA EA
1/2 0.5310 1.0620 0.0950 WF8P050SAE In Stock $0.08299/EA EA
9/16 0.5940 1.1560 0.0950 WF8P056SAE In Stock $0.12627/EA EA
5/8 0.6560 1.3120 0.0950 WF8P062SAE In Stock $0.12138/EA EA
3/4 0.8120 1.4690 0.1340 WF8P075SAE In Stock $0.20754/EA EA
7/8 0.9380 1.75 0.1340 WF8P087SAE In Stock $0.30836/EA EA
1 1.0620 2.0 0.1340 WF8P100SAE In Stock $0.96568/EA EA
1 1/8 1.25 2.25 0.1340 WF8P112SAE In Stock $0.45689/EA EA