Bulk 3/8"-16 Slotted Indented Hex Washer Thread Cutting Screw Type 1 – Full Thread Zinc-Bake Length:300 Qty - 3/8-16 x 3" These Proferred self-drilling screws are

These Proferred self-drilling screws are specifically designed to handle the rigors of steel-to-steel fastening

The 90° countersunk head seats level with the surface—ideal for panels

Thread Size: 7/16"-20 Fine Thread (UNF)

These fender washers are ideal for marine

Bulk 3/8"-16 Slotted Indented Hex Washer Thread Cutting Screw Type 1 – Full Thread Zinc-Bake Length:300 Qty - 3/8-16 x 3" These Proferred self-drilling screws areMonster Overview: Fix your project right the first time with 3 8 16 Slotted Indented Hex Washer Head Thread Cutting Screws, Type 1, Zinc Bake Finish from Monster Bolts. A single cutting edge and tapered machine screw threads carve clean internal threads in structural steel, thick sheet metal, and other ductile materials. The large integrated washer head spreads load without a separate washer, and the slotted indent lets you drive with either a 9 16