Knurled copper nut is mainly used for injection molding,

Knurled copper nut is mainly used for injection molding, hardware spring, special spring, craft gift spring, battery spring piece, spring antenna, key ring, phosphor bronze spring CNC automatic lathe turning parts (copper parts, iron parts, aluminum parts) , metal stamping parts, electronic hardware, iron shaft, single flower shaft, multi-flower shaft, iron pin, non-standard screw nut, connecting parts, fasteners, wire forming (metal wire card holder, model aircraft landing gear, S hook , R-type bolt, triangle buckle, D-type buckle) and other hardware products, belonging to the copper nut series