stud bolts 1.Bolt Size,M2-M100 2.Material,stainless ... Nickel plated,Black Oxide,Hdg astm a325 stainless steel hex bolts 1. Standard:DIN, ANSI, BSW, JSB ans ... Grade10.9,Grade12.9.Inch standard: Grade2, Grade5, Grade8, B7. stainless steel , A2-70, A4-70, A4-804. ... on your quantity.9. professional manufactuer, offers better quality and priceProducts photos Factory Packing CertificationTransportation