... Mild steel,Stainless steel 3.Nut finshl:zinc,black Nylon insert lock nut•Nylon nut with common standards: DIN985,DIN982,UNI7474 Products ... Details: Products Name: Nylon insert lock nut Model No.: DIN985,DIN982,UNI7474 Size: M4 ... to the volume to determine the delivery time. About Nylon Nut • Effect:The nylon insert lock nut and bolts, screws with the ...