This is an amazing deal. Price can not be beat.

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 specificationsZinc-plated steel screws resist corrosion in wet environments. Match the thread spacing of mating components. Coarse threads are the industry standard; 

(50 pieces)

5/16-18 X 1-1/4 Flange Bolt Screw Hex Washer Head . Condition is New. Shipped with USPS Priority Mail.