Newport Fasteners Socket Flat Countersunk Head Cap Screw, 1/4-20 x 1 3/8" Alloy Steel, Black Oxide, Hex Socket (Quantity: 1500) Coarse Thread, 1/4 inch Hexagonal Allen Bolt, Length: 1 3/8 inch

Description

Similar in design to an socket button head cap screw but with an 82 degree countersunk flat head. Used when a flush mounting, high stregth screws is required. Commonly used in tools and dies where moving parts pass over fastened area.