1/4-20 x 1 Slotted Indent Hex Washer Thread Cutting Screw Type 23 Full Thread Black Oxide 9/16-18 NE It has a square head

It has a square head and a pointed tip

The 4-40 x 3/16 Phillips Pan Machine Screw is a fully threaded screw made of 316 stainless steel

this bolt provides excellent corrosion resistance and strength

It is made of high-quality zinc-plated steel

These 5-40 x 9/16 Phillips pan machine screws are fully threaded and made of zinc

1/4-20 x 1 Slotted Indent Hex Washer Thread Cutting Screw Type 23 Full Thread Black Oxide 9/16-18 NE It has a square head1 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,