Unbrako 103188 Socket Set Screw

Unbrako, 103188, Socket Set Screw, Measurement System: Metric, M4 x 0.7 Thread, 10 mm Length, Knurled Cup Point, Alloy Steel, 45H Grade, Black Oxide, Hex Drive, 2 mm Drive

• Counterbored knurled cup self-locking point provides greater vibrational holding power, even in poorly tapped holes
• 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