1/2-13 x 5/8 Inch Coarse Black Oxide Alloy Steel Knurled Cup Point Socket Head Set Screw Best Seller Big-Ez Universal AC Air Conditioning

Big-Ez Universal AC Air Conditioning Dye Injector Kit 8 Ounce

It is blowout resistant and protects against leaks and seepage caused by vibration and thermal expansion

Fits hoses with a 3/8" hose ID x 3/4" hose OD

Orange 40 contains no phosphates butyl acids caustics or petroleum solvents

1/2-13 x 5/8 Inch Coarse Black Oxide Alloy Steel Knurled Cup Point Socket Head Set Screw Best Seller Big-Ez Universal AC Air ConditioningCup 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.