1/2-13 x 3 1/2 Square Head Machine Bolt Plain CSNFT and the hex head provides

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

ensuring compliance with government standards

this bolt features a ribbed neck that prevents spinning when tightened

This 1/4-20 x 5/8 Hex Cap Screw Grade 2 Zinc is a high-quality fastener designed for a wide range of applications

while the zinc finish helps to protect the screws from corrosion

1/2-13 x 3 1/2 Square Head Machine Bolt Plain CSNFT and the hex head providesThis 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.