10-13 x 1 1/2 Square Drive Flat Head Full Body Wood Screw 2/3 Thread Zinc MJ-MPT The 3 1/2 inch length

The 3 1/2 inch length is measured from the underside of the head to the tip of the screw

The thread cutting point allows the screw to create its own threads as it is driven into the metal

7 x 20 DIN 7500C Metric Type Z Pan Thread Rolling Screw Zinc And Wax is a small

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

10-13 x 1 1/2 Square Drive Flat Head Full Body Wood Screw 2/3 Thread Zinc MJ-MPT The 3 1/2 inch lengthThese 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