1.Material:Steel 2.Standard :DIN, ISO , 3.Size:M2.5-M24 4.Length:1-300mm 5.Finish:zinc plat fasteners,nuts,bolts,screwsMaterial Iron,stainless steel,copper and etc..Head type pan head,oval head,H.W.H head,H.WF head,C.S.K head ,truss head.Standard DIN,JIS ISO ,BS,ANSI...ETCSurface Finish zinc plate,plain finish,black oxideNormal M1-M8Head recess philips ,square ,H.WFPacking Carton ,small boxes , ...