Manufacture ISO stainless steel nails 1. Grade: SUS201, SUS304, SUS304L, SUS321, SUS316L Manufacture ISO stainless steel nail Grade series200 series: SUS201300 series: SUS304, SUS304L, SUS321, SUS316L TypeSpiral stainless steel nailShank diameter2.1mm-5mmShank length1"-6"Shank styleSmooth, screw, spiral, thread, ring, full ring, barbedHead styleFlat, brad, roofing, oval, flat countersunkPoint ...