1/4 Flat Washers / Type B Narrow Series / Steel / Zinc / Outer Diameter: .495" - .515" / Thickness Range : .056" - .071" (Quantity: 5,000 pcs)

A thin, flat, circular metal part with a centrally located hole. The tolerances of the thickness and outside diameter of Type-B washers are tighter than for USS and SAE flat washers. For use with low-carbon steel materials. Type-B washers distribute load over larger areas than the comparable USS or SAE washers of the same nominal size.