Socket Flat Countersunk Head Cap Screw, 3/8-16 x 4 Alloy Steel, Black Oxide, Hex Socket (Quantity: 25) Coarse Thread, 3/8 inch Hexagonal Allen Bolt, Length: 4 inch, Partial Thread
Class 3A Threads / Heat Treated Alloy Steel / Black Oxide Finish
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 strength screws is required. Commonly used in tools and dies where moving parts pass over fastened area.