标准
GB, DIN, ISO, ANSI/ASTM, B7, BS, JIS etc
Name
Steel Zinc Plated Fan Hooks Bolt Sleeve Anchor Bolt Type L shape
Material:
Steel,Q235, 45#, 40Cr, 20Mntib,etc
Finish:
Plain, galvanized, HDG, YZP etc
Grade:
4.8, 6.8, 8.8, 10.9, 12.9
Inspection
Factory or the third party