1/2-13 x 3 1/2 Square Head Machine Bolt Plain CSNFT while the 1 3/4-inch length

while the 1 3/4-inch length ensures secure fastening

while the zinc finish helps to protect the screws from corrosion

and the hex head provides a secure hold when tightened with a wrench

It is made of durable zinc-plated steel for maximum corrosion resistance and strength

1/2-13 x 3 1/2 Square Head Machine Bolt Plain CSNFT while the 1 3/4-inch lengthThis 1 2 13 x 3 1 2" Square Head Machine Bolt Plain is a high quality fastener designed for a variety of applications. It features a square head for easy installation and a plain finish for a clean look. The bolt is made from durable steel and is zinc plated for corrosion resistance. It is perfect for use in wood, metal, and plastic projects.