Unbrako 108519 Socket Set Screw

Unbrako, 108519, Socket Set Screw, Measurement System: Imperial, 1/2-13 Thread, 1/2 in Length, Cup Point, Alloy Steel, 45H Grade, Black Oxide, Hex Drive, UNC Thread, 1/4 in Drive

• Class 3A threads: Formed with closest interchangeable fit for maximum cross section with smooth assembly. Assure better mating of parts
• Rounded corners resist cracking and allow set screws to withstand high tightening torques
• Key fits deeply into the socket to provide extra wrenching area for secure tightening without reaming the socket or rounding off corners of the key