GB/T897, 898, 899, 900 Double-Ended Studs With Zinc Plate
StandardGB897,GB898,GB899 and GB900TypeDOUBLE END STUDSMaterial10B21,40CrSurface finishZinc Plated, BlackeningShank DiameterM5, M6, M8, M10, M12Heat TreatmentHeat treatment with the material, and heat treatment with the productManufactruing ProcessWire Drawing, Cold Heading, Heat Treatment, Thread Rolling, Surface Plating, PackingLead Time10-30days, according to customer’s order qty and detailed requirementsPacking500-2000pieces in a Polybag, then into a carton box, finally into a pallet, or customized