Description
500 total pieces these screws are suitable for fastening most machinery and equipment. The flange distributes pressure where the screw meets the surface, eliminating the need for a separate washer. Material meets SAE J429 specifications for quality. Dimensions meet IFI 111 specifications Zinc-plated steel screws resist corrosion in wet environments. Match the thread spacing of mating components. Coarse threads are the industry standard; (500) 1/4-20 X 1/2 Flange Bolt Screw Hex Washer Head . Condition is New. Shipped with USPS Priority Mail. 3/8" hex drive (head width = 3/8")