Detailed Product Description 1) Name:studs bolts2) Material: Carbid steel, stainless steel3) Grade: 4.6 - 10.9, 304(A2-70),316(A44) Size: M2-M565) Surface: Black, Zinc Plated, Yellow Zinc Plated,Dacroment...6) Packing: bulk, box packing, Carton, Pallet7) Standards:DIN601 (M4-M20), DIN931/933 (M2-M48), DIN960/961 (M16-48), DIN6914 (M12-M48)...