316 Hex Head Bolts M4-M24 

Types of Bolts Bolts are a common connecting element and are widely used in machinery, construction, automobiles and other fields. Different types of bolts have different characteristics and uses. Here are some common bolts.           1. Ordinary bolts Ordinary bolts are the most common type of bolts, which consist of a screw rod and a nut. The screws are threaded for use with nuts. Ordinary bolts can be divided into fully threaded bolts and semi-threaded bolts. The threads of full-threaded bolts cover the entire screw and are suitable for occasions requiring greater bonding strength; while the threads of semi-threaded bolts only cover part of the screw and are suitable for occasions that require frequent disassembly.          2. High-strength bolts High-strength bolts are high-strength connecting elements and are suitable for occasions with high connection strength requirements. High-strength bolts are usually made of alloy steel and…