1/4-20 x 1 Slotted Indent Hex Washer Thread Cutting Screw Type 23 Full Thread Black Oxide 9/16-18 NE this bolt provides excellent corrosion

this bolt provides excellent corrosion resistance and strength

These 12-11 x 1/2" Type A fully threaded self-tapping screws feature an indented hex slotted drive and are made of zinc-plated steel

The screw also has a full thread that provides a strong hold

The washer is made of EPDM rubber

1/4-20 x 1 Slotted Indent Hex Washer Thread Cutting Screw Type 23 Full Thread Black Oxide 9/16-18 NE this bolt provides excellent corrosion1 4 20 x 1 Slotted Indent Hex Washer Thread Cutting Screw Type 23 Full Thread Black Oxide: Size: 1 4 20 x 1 inch Drive Type: Slotted Indent Hex Thread Type: Thread Cutting Point Type: Type 23 Thread Length: Full Thread Finish: Black Oxide This screw is designed for use in metal applications. It has a slotted indent hex drive, which provides a secure grip for driving. The thread cutting point creates its own threads as it is driven into the material,