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    Different types of socket bolts

    2020-06-27

    1.According to the head of bolts,socket bolt could be divided to several types:

    2.According to the material of bolts,socket bolt include :carbon steel bolt,Copper bolt,Plastic bolt

    3.According to the surface treatment of bolts,socket bolt include :stainless steel bolt,Galvanized bolts,Hot-dip galvanized bolts,Dacromet Bolt,Blue bolt,Black bolt

    4.According to the strength of bolts,divided into more than 10 grades such as 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9, among which the bolts of grade 8.8 and above are made of low-carbon alloy steel or medium-carbon steel and are heat-treated (Quenching, tempering), commonly known as high-strength bolts

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