stud bolts 1.Bolt Size,M2-M100 2.Material,stainless steel,carbon ... Nickel plated,Black Oxide,Hdg astm a325 stainless steel hex bolts 1. Standard:DIN, ANSI, BSW, JSB ans ISO standard or ... products welcome.6. Surface treatment:Plain, black finished, Zinc plated (Galv), Hot Dip Galvanized, Nickel, phosphate black, DACROMET coating, etc.7 ...