Detailed Product Description bolts buyer1)Size:M6-M30,in all length2)Standard:DIN,BS,ASTM,JIS3)Material:carbon steel4)G.r:4.6,4.8,6.8,8.8 5)Surface:plain,black,zinc plated,hot-galvanized6)Packing:bulk in carton with pallet,bulk in bags with palletWe also can do for our customers requestment. Dear partner,contact me soon,we believe common interests will enable us to have first cooperation.Thanks ...