Detailed Product Description thread bar,bar,slot head,stainless steelmetric size:m3to m52.lenght:10mm to 6,000mmIFI size:10-24 to 21/2-inch.length:12 to 144- inchgrade:(din)class4.8,class8.8,(IFI)Gr2,Gr5material:low carbon steel,middle carbon steel,stainless steel,314,316,surface:plain,black,zinc plated.yellow zinc plated,HDG,nickel plated,dacromet.