Socket Flat Countersunk Head Cap Screw, 1/4-28 x 3/8", Alloy Steel, Black Oxide, Hex Socket (Quantity: 2500) Fine Thread, 1/4 inch Hexagonal Allen Bolt, Length: 3/8 inch, Full Thread

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.