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Screw shopping mall---one-stop service
Hex head bolts is a type of fastener consisting of a head and a screw (a cylinder with external threads) that is fitted with a nut for fastening two parts with through-holes,it divided into carbon steel bolts and stainless steel bolts according to the material,Hex head bolt are commonly used in different area and mainly have the advantages of easy fastening.
Performance grade: carbon steel: grade 8.8/10.9/12.9, stainless steel A2-50/A4-70/80. The bolts of grade 8.8 and above are made of low carbon alloy steel or medium carbon steel and subjected to heat treatment (quenching and tempering). They are called high-strength bolts, and the rest are called ordinary bolts.
Surface treatment:carbon steel surface treatment is generally boiled black, galvanized, non electrolytic zinc sheet coating, thick galvanized vzd and thick galvanized
Zinc plus sealing (zsml), zinc nickel coating silver (znshl), zinc nickel coating black (zhbh)
Wuxi Zhuocheng Mechanical Components Co., Ltd. is established in 1990, and one group of manufacturing and selling professional fastener
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