Zhejiang Zhenglian Industrial Development Corp. is a professional High Strength Fasteners manufacturer and exporter in China. We are specializing in High Strength Fasteners. These products are been delivered to Europe, United States, Asia, the Middle East, Russia, Africa etc. countries. We are expanding more cooperation partners all over the world.
1)Standards: ISO,DIN, ANSI /ASME,GB Bolt/Screw and non-standard products
2)Class:DIN: 8.8,10.9,12.9; SAE Gr5,8
3)Surface: black, phosphate, hot dip galvanized
1)Standards: GB, Din, ANSI /ASME,GB Bolt/Screw and non-standard products
2)Class: SAE: GR.2, GR.5, GR.8 ;ASTM:A307;DIN:GR4.8,8.8,10.9,12.9;
3)Surface: black, zinc, hot dip galvanized
Features:
1)Standards:
2)Class:10.9s
3)Surface: black, phosphate, hot dip galvanized
4) Material: 20MnTiB
5)High strength bolts are widely used in industry, agriculture and structure.
Features:
1)Standards:
2)Class:10.9s
3)Surface: black, phosphate, hot dip galvanized
Features:
1)Standards:
2)Class:10.9s
3)Surface: black, phosphate, hot dip galvanized
Features:
1)Standards:
2)Class:10.9s
3)Surface: black, phosphate, hot dip galvanized
1)Standards: GB/T1228-91
2)Class:10.9s
3)Surface: black, zinc, hot dip galvanized
4) Material: 20MnTiB
(1)Standards: ISO,DIN, ANSI /ASME,GB Bolt/Screw and non-standard products
(2) Thread: UNC,UNF,UN
(3) Grade: DIN:8.8,10.9,12.9; SAE: GR.5, GR.8 ;
1)Standards: din931/din933
2)Class:8.8,10.9,12.9
3)Surface: black, phosphate, hot dip galvanized
Features:
1)Standards:
2)Class:10.9s
3)Surface: black, phosphate, hot dip galvanized
Features:
1)Standards:
2)Class:10.9s
3)Surface: black, phosphate, hot dip galvanized
Features:
(1)Standard: DIN934: ASME A563 DH / A194 2H
(2)DIN: CLASS8, 10, 12; ANSI: GR.5, GR.8, GR.2H, GR.DH, GR.C
(3)Surface: natural color, zinc, hot dip galvanized
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