304 Hexagon Socket Head Cap Bolts M12

     Hexagon socket screw is a screw head with a round outside and a concave hexagon in the middle. Hexagon socket screw is a common screw with a hexagon as the side of the screw head.      Hexagon socket head cap screws, also referred to as hexagon socket cap screws, cup head screws, and hexagon socket cap screws, are called differently, but they represent the same meaning. The commonly used hexagon socket head cap screws are grade 4.8, grade 8.8, grade 10.9, grade 12.9. Also known as hexagon socket head screws, also called hexagon socket head bolts. Its head is a hexagonal head and a cylindrical head. According to the material, there are stainless steel and iron. For stainless steel, there are stainless steel SUS202 hexagon socket head screws, which are made of ordinary stainless steel, there are stainless steel SUS304 socket head cap screws, and stainless steel SUS316 socket head cap screws. Iron is classified according to the strength grade of hexago…