An A325 bolt (equivalent to SAE J429) means the bolt has mechanical properties that range from ½ – 1” and 1⅛  – 1 ½”, tensile strength of 120 min and 105 min, and Yield strength of 92 and 81 minutes.

It can be made from medium carbon, medium carbon steel alloy, carbon boron, and weathering steel.

Hex bolts are also called hexagon screw head bolts, hex cap bolts, hex-cap screws, or machine bolts. They are a very common choice when it comes to construction and repair. There is a variety of sizes and diameters. Whichever bolt you choose, just make sure that it’s from a credible bolt and nut supplier.

Bolts are one of the most used elements in construction and other industries as they are necessary for holding materials or objects together. Its parts include the head and a threaded cylindrical body. Nuts and washers are oftentimes partnered with it to secure the attachment.