Lot of (500) slotted and indented hex washer head self tapping screws.

These zinc plated screws are 1/4" thread with a 3/4" thread length and type B thread.

This type B screw is a blunt tip thread forming screw for use in heavier metals and plastics .050 to .200 thick.

It has a large root diameter with finer thread pitch for light and heavy sheet metal, non-ferrous castings, plastics, impregnated plywoods, asbestos combinations, and other materials.

• Thread Diameter: 1/4
• Length: 3/4
• Drive Type: Slotted Hex
• Head Type: Indented Hex Washer
• Finish: Zinc