... 301,401, carbon steel 2.Standard: DIN, ANSI 3. Size:ST2.2-6.3 Standard screws:Materials: stainless steel316, ... ,square,triangle,slotted.Packing:1000pcs/bag,10bags/carton,20ctns/pallet Place of OriginChina(mainland)Brand NameUPROMaterialCarbon steel & stainless ... mmStandardGB,GB/T,DIN,JIS,BSW,ANSI,ISO & non-standard productsSurfacePlain, Yellow zinc, black phosphated, grey phosphated, nickel ...