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Screw Bits & Sockets

Screw Bits & Sockets

GRAVO insert bits & sockets are made of quality steel, such as special steel S2 ? high-alloy steels(WX73) for production of our screw bits,we also can produce according to your requirement. Different surface treatments are available, such as sandblasted, Tin-coated, Zn-coated, Ni-coated, Cr-coated, Bright finished, Cu-coated and so on. Highly-skilled staff,fully conscious of...