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We are special Manufacturer is specialized in Rail bolt morethan 10years!
1. Standard code: ASTM, DIN, ISO,
2. Material: Alloy Steel(40Cr/35CrMo/4140), etc
3. Sizes: From M12-M48, 1/2-2 all sizes
4. Grade: Gr8.8, 10.9
5. Finished: Black, Zinc, HDG, Phosphated, Dacromet etc.
6. Package: 25 KG/carton, 36carton/pallet


