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Double End Studs
china double end stud
china double end stud
china double end stud bolt
china double stud bolt
double end stud

Double End Studs

Double end studs refer to a cylindrical fastener with threads at both ends. Both ends of the thread need to be matched with nuts and washers. It is used for two connected parts with through holes and is used for the fixed link function of connecting machinery.


Studs are widely used in electric power, the chemical industry, oil refining, valves, railways, bridges, automobile and motorcycle parts, machinery, steel structures, hanging towers, large buildings, etc.


All items are produced in strict accordance with industry standards or client-specific requirements.    

Specification of Double-End Studs

Thread Specification Range (mm)M12-M300
Maximum Processing Length (m)≤10m
Strength Range≤1450MPa
Linear tolerance control accuracy0.003mm
Surface roughnessRmax0.4 (Ra0.05)
Geometric Tolerancethread coaxially at both ends ≤0.02mm
Friction Coefficientμtot, μb, μth
Surface TreatmentBlack oxide, Phosphating, Flake zinc-aluminum coating (Dacromet, Geomet), HDG (Hot dip galvanizing), Electro galvanizing, Mechanical galvanizing, Copper plating, Teflon, Special coating for marine engine parts, etc.
Standard SpecificationsAll items are produced in strict accordance with industry standards or client-specific requirements.


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916 Wode Blvd, Changqing District, Jinan, Shandong, China, 250300
916 Wode Blvd, Changqing District, Jinan, Shandong, China, 250300
916 Wode Blvd, Changqing District, Jinan, Shandong, China, 250300