Allen Wrench material:carbon steel,stainless steel thread:MM,UNC,UNF and BSW Finish:Plain,ZP,Black,HDG,Chrome,Nickel Allen Wrenchmaterial:carbon steel,stainless steelthread:MM,UNC,UNF and BSWFinish:Plain,ZP,Black,HDG,Chrome,Nickel.OEM/ODM order are welcomeDrawings, samples or other special requirement is avaliableOur range of product:BOLTS: hex bolts, heavy hex bolts, hex flange bolts, carriage ...