1-8 x 2-1/2 Inch Coarse Plain Case Hardened Steel Cup Point Square Head Set Screw Best Seller these light duty screws are

these light duty screws are commonly used for fastening electrical boxes or light fixtures into concrete or CMU walls and ceilings

1:1 ratio cartridge to a 16

Lenox Vari-Bits are enhanced with a flute design which rapidly removes chips and cuts perfectly clean round holes

Head Height: 3

Both ends of the plug shall be flat and chamfered approximately 4

1-8 x 2-1/2 Inch Coarse Plain Case Hardened Steel Cup Point Square Head Set Screw Best Seller these light duty screws areCup point set screws feature a hex drive at one end and a cup shaped indentation at the other. The most commonly used set screw head style the thin edge of the cup end digs into the contact surface for high holding power. It is useful for fast permanent and semi permanent placement in applications where some indentation left by the cup end is acceptable.