Self-lock nuts Material: steel products c1008 f¼c1035, stainless steel 304 and 316; Production range: m3 f¼ m42, 1/4 f¼ 1-1/2"; Production quality: cold forging, delicacy, screw thread 6h, smooth-faced; Surface disposal: zinc plated, yellow zinc plated, black oxide, chromate, plated, nickle Packaging: export carton, around 25 kgs, bulk packing or according to the requirments of customers
