SS304 SS316 Hot Dip Galvanized Hex Bolt Nut

Hardware Fastener usually include Bolts,studs,screws,Nuts,gaskets,pins,etc.The Screw Bolt Nut production process of high strength threader fasteners is as follows:raw material restructuring,cold heading forming,thread processing(thread rolling or thread rolling),heat treatment,surface treatment,sorting and package.Above grade 10.9,wire rolling process after heat treatment is generally adopted. Ordinary hex Socket Bolt refers to the 4.8 Grade,high strength refers to the 8.8 Grade above including 10.9 and 12.9 Grade. Flange Hex bolt with Serration  with hot dip galvanized finish treatment .The flange Bolt is an integral bolt consisting of a hex head and a flange (the gasket under the hex and the hex fixed as one) and a screw (the cylinder with external thread). It shall be matched with a nut for fastening the parts connected with two through holes. Material of Hex Bolts: SS 201, SS 303,SS 304,SS 316. Size: M 3-M 56 Length: 30 mm-500 mm .…