Large Hexagon Head High Tensile Bolt

Place of Origin:Zhejiang,Website:http://www.nbzhencheng.com, China (Mainland)Brand Name:ZCMaterial:20MnTiBFinish: blackSurface treatment:Heat TreatingType: Large Hexagon HeadColor: blackPacking:CartonItem:China FastenerApplication:BuildingPackaging Details:Small box, carton, pallet, nylon bag, for self drilling screwProduct Description1. Grade:10.9S2. Size: M16,M20,M22,M243. Length：50-200mm4. Standard: GB 5. Certification: ISO9001, CEProduct Name:BoltMaterial: 20MnTiBUsed:building industry machinery