5/16-18 x 1 1/2 Unslotted Indented Hex Washer Thread Cutting Screw Type F Fully Threaded Zinc An 7/8-9 while the self-tapping feature eliminates

while the self-tapping feature eliminates the need for pre-drilling

These screws are designed for use in metal applications and feature a square drive

The M16 x 80 DIN 933 8

These 8-18 x 1/2 Phillips hex washer full thread self-drilling screws are made of 18-8 stainless steel

it provides corrosion resistance and a secure hold

5/16-18 x 1 1/2 Unslotted Indented Hex Washer Thread Cutting Screw Type F Fully Threaded Zinc An 7/8-9 while the self-tapping feature eliminates5 16 18 x 1 1 2 Unslotted Indented Hex Washer Thread Cutting Screw Type F Fully Threaded Zinc: Zinc plated carbon steel for corrosion resistance Fully threaded for maximum holding power Indented hex washer head for secure tightening Type F thread cutting point for easy installation in metal 5 16" diameter, 18 threads per inch, 1 1 2" length Unslotted design for a clean, finished appearance Ideal for use in metal, plastic, and wood applications