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Square Head Bolts
square head bolt
square head bolt
china square head bolt

Square Head Bolts

The head shape of the square head bolts is square.


Square head bolts are widely used in engineering, electrical, mechanical equipment, and chemical equipment, ships, vehicles, bridges, steel structures, and other fields.       

Specification of Square Head Bolts

Thread specification range (mm)M16-M90
Maximum processing length (mm)≤1500mm
Strength Range≤1450MPa
Geometric ToleranceThe verticality of the supporting surface relative to the thread is ≤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