4-40 x 1/2 Unslot Ind Hexwash Taptite Alternative Thread Roll Screw Full Thrd Zinc & Wax KWS188 With its precise 1/4-20 thread

With its precise 1/4-20 thread size and

and a 6-lobe drive

It has a hexagonal shape with a 1/4-20 thread size and a jam nut design that prevents loosening under vibration

as well as a variety of other projects

They are 1/2 inch long and have a diameter of 2-32

4-40 x 1/2 Unslot Ind Hexwash Taptite Alternative Thread Roll Screw Full Thrd Zinc & Wax KWS188 With its precise 1/4-20 thread4 40 x 1 2" Unslotted Indented Hex Washer Taptite Alternative Thread Roll Screw, Full Thread, Zinc & Wax This screw is designed to create its own threads in metal, eliminating the need for tapping. It has an un slotted indented hex washer head for easy driving and a full thread for maximum holding power. The zinc and wax coating provides corrosion resistance and lubricity for smooth insertion. Ideal for use in sheet metal, plastic, and other soft