10-13 x 1 1/2 Square Drive Flat Head Full Body Wood Screw 2/3 Thread Zinc MJ-MPT The washer has external teeth

The washer has external teeth that bite into the surface of the nut or bolt

this screw provides maximum thread engagement for optimal strength and stability

and walkways

These 10-12 x 1 1/2 6 Lobe Pan Self Tapping Screw Type A Fully Threaded Zinc are designed for use in metal applications

10-24 x 1 Phillips Flat Thread Cutting Screw Type F Fully Threaded Black Oxide:

10-13 x 1 1/2 Square Drive Flat Head Full Body Wood Screw 2/3 Thread Zinc MJ-MPT The washer has external teethThese 10 13 x 1 1 2 square drive flat head full body wood screws are designed for heavy duty fastening in wood applications. They feature a square drive head for secure engagement with a driver, and a full body design that provides maximum holding power. The 2 3 thread design allows for a secure hold in wood, while the zinc coating provides corrosion resistance. These screws are ideal for a variety of projects, including framing, decking, and general