2022-06-21Classification of screw threads?
Fastening screw thread, sealing screw thread, pipe screw thread, transmission screw thread, ordinary screw (or general purpose) thread, special screw thread, etc...
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+8617713076000
Fastening screw thread, sealing screw thread, pipe screw thread, transmission screw thread, ordinary screw (or general purpose) thread, special screw thread, etc...
DetailsHigh strength bolts can bear a larger load than ordinary bolts of the same specification. Ordinary bolts are made of Q235 (i.e. A3). The material of high-strength bolt is 35\\steel or other high-quality materials. After being made, it is heat treated...
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