Description :
Round Head Ribbed Neck Bolts-
Using for industry and building structure
Specification :
- Material: Carbon Steel, Alloy Steel, Stainless Steel.
- Diameter: M6 - M20 ( 1/4 ~ 3/4")
- Length: 6mm - 125mm
- Grade: 2, 4.8, 5, 5.8, 8, 8.8, 10.9, 12.9, B7, L7, A2, A4, B8, B8M