Details of the product:
1. Materials: Carbon steel
2. Size: M3-M52
3. Standard: DIN934(555, 936), ANSI18.2.2, BS916 2)
4. Grade: 4, 5, 6, 8
5. Surface: Electroplating zinc yellow ( Plain, HDG, Black, Dacron etc. )
6. Proven technique & good quality.
7. Packaging: Wooden box wood pallet, carton, etc. Or according to client's requirements.
8. We can produce by customer's drawings.
9. Certificate: ISO9001: 2008, SGS

Features
1. High quality and competitive price
2. Various design
3. Customized design are welcome
4. Small order acceptable
5. OEM accepted.