... : z.p . h.d.g . p.l 3.Material : carton steel non-standard screw1.Size : according to your drawings or samples2 ... , h.d,g . plain 3.Material : carton steel grade 4.8 ,grade 8.8 and stainless steel4. Package : bulk : pcs/ctn , pcs ... . Welcome clients at home and abroad to enquire! non-standard stainless steel SCREW,fastener,machine screw