【Screw Type】 Hex Bolts 【Material】 The hex bolts are made of high-strength 12.9 alloy steel, which is not easy to rust and offers excellent resistance to corrosion, wear, and low temperatures, ensuring a long service life. 【Easy to Use】 Our screws comply with the standard metric system. The standardized external hex provides sufficient strength, prevents slipping during installation, and saves time. 【Various Sizes】 We offer a wide range of sizes and lengths to suit your needs. 【Application】 Widely used in household and commercial electrical appliances, office equipment, automotive and marine assembly, and other mechanical engineering applications. High-strength hex bolts are threaded fasteners with a hexagonal head. The bolt is designed to be installed with a wrench or a hex screwdriver. They have a very robust design suitable for extremely heavy fastening applications, so they are typically found in larger sizes than equivalent fasteners.