Leading Hardware has over 20 years of experience in providing high tensile alloy and stainless steel fasteners, such as square head bolts.
1. Material: Carbon Steel, Alloy Steel, Stainless Steel.
2. Diameter: M2 - M80 ( 1/4 ~ 3").
3. Length: 6mm - 3,000mm.
4. Grade: 4.8, 5, 5.8, 8, 8.8, 10.9, 12.9, B7, L7, A2, A4, B8, B8M.