#4-40 x 1/8 Inch Coarse Black Oxide Alloy Steel Cup Point Socket Head Set Screw Best Seller COUPLING NUT 1-1/4-7x3

COUPLING NUT 1-1/4-7x3

The minimum tensile strength of A307 Grade A bolts is around 60 000 PSI which defines how much stress the bolt can withstand before failing

A2 SKT SET CUP M12X1

Mixes with water initially set within 15 minutes and within one hour sets stronger than concrete

Cougar 1999 - On

#4-40 x 1/8 Inch Coarse Black Oxide Alloy Steel Cup Point Socket Head Set Screw Best Seller COUPLING NUT 1-1/4-7x3Cup 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.