Metric Heavy Hex Head Structural Bolt, ASTM A325 A490 Heavy Hex Bolts, Hot dip galvanized 8.8 heavy hex bolt for electric equipment Finish: ZINC, Plain Material: Steel, carbon steel Standard: DIN FINISHED: Black,ZINC HDG,Dacroment. PLAIN SIZE: M45,M4,M12 M72,M56 M3.5 LENGTH: 60MM-300MM GRADE: 4.8,6.8 8.8 10.9 TYPE: hexagon bolt customized Certificate: ISO9001 Metric Heavy Hex Head […]
Hex Flange Bolt,High Precision Forging Machining Hex Head Flange Bolt,Steel Hex Flange Bolts
Flange Head Bolts
Hex.: 17mm
Grade:8.8 or 10.9
Length:53mm,54mm
Certification:CE, RoHS
Material:carbon steel,Iron
Package: Blister card ,Plastic bag, inner box wooden case, pallet
Manufacturing Technique: Cold-forming, Stamping, Quenching
Thread Size Available
M12*1.25, M12*1.50, M12*1.75, M14*1.25, M14*1.50, M14*2.0, M16*1.5, M20*1.5, M22*1.5 , 7/16″-20, 1/2″-20, 9/16″-18 etc.
Production process
Purchase raw-material, Cutting, Cold-forming, Quenching, Stamping, Vehicle processing / CNC machine processing, Plating, test, package .
Surface Treatment
Chrome, Zinc, Dacromet , Blacking, Color Electrophoretic ,Oxidation etc.
Mechanical performance grade:
wheel bolt is 8.8 or 10.9 grade, acquiesce in 6 grade.
Head Bolts 10.9 or 12.9 grade
Packages Available:
Here we only list the regular specification, we can make as customer require.