3/8-16 x 1/4 Inch Coarse Black Oxide Alloy Steel Cup Point Socket Head Set Screw Best Seller They provide a larger circular

They provide a larger circular bearing surface which helps prevent a rivet head from pulling through the material

REC76334LYSOL CONC LEMON A/P1G

3/4-10X4-1/4 GR8 HHCS ZY

provides a tough finish that is durable and inhibits rust

Cougar and Continental 1993 - On

3/8-16 x 1/4 Inch Coarse Black Oxide Alloy Steel Cup Point Socket Head Set Screw Best Seller They provide a larger circularCup 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.