Standard: DIN 912 ISO4762-1977
Material: Carbon Steel for grade 4.8, 8.8, 10.9, 12.9， Stainless Steel ( S.S201, S.S304 ) without Magnetic
Finish: Plain ( Self color ), Zinc ( zinc blue, zinc white, zinc yellow )， Black
Mechanical performance: 8.8/10.9/12.9
Size: Diameter M3-M36
Length: 6-200mm
Features:
- .high quality ,low price
Ordering information:
- Minimum Order: Negotiable