We are special Manufacturer is specialized in Hex Nuts more than 10years, such as DIN935 castle nuts, DIN937 slotted and castle nuts and so on
1. Standard No: DIN937, DIN935, UNI5593, UNI5594
2. Material: Medium Carbon steel(35#/45#), Alloy Steel(40Cr/35CrMo/4140), etc
3. Sizes: From M8 to M90 all sizes
4. Grade: From Class 5 to Class 12.
5. Finished: Black, Zinc, HDG, Phosphated, Dacromet etc.
6. Package: 25 KG/carton, 36carton/pallet