6-13 x 1 5/8 6-Lobe Flat Nibs Coarse Thread Type 17 Exterior Screw Partial Thread Zinc Yellow NJP while the 1/4-20 thread size

while the 1/4-20 thread size ensures compatibility with a wide range of applications

this screw delivers unmatched strength and reliability

and the zinc coating provides resistance to corrosion

and is a great choice for any project that requires a strong and reliable fastener

They are easy to install and can be used with a variety of tools

6-13 x 1 5/8 6-Lobe Flat Nibs Coarse Thread Type 17 Exterior Screw Partial Thread Zinc Yellow NJP while the 1/4-20 thread sizeThese 6 13 x 1 5 8 6 Lobe Flat Nibs Coarse Thread Type 17 Exterior Screw Partial Thread Zinc Yellow are designed for use in exterior applications. They have a 6 lobe flat nib drive that provides increased torque and reduces cam out. The coarse thread design allows for quick and easy installation. These screws are made of zinc plated steel for corrosion resistance and durability. They are partial thread, meaning that the threads do not extend the full