50Pcs Round Hex Socket Screw Copper Fastener Hardware Tools Industrial Supplies M5M5x10mm

1、Good-quality pure copper not easy to rust and corrosion in a humid environment possess strong oxidation resistance 2、The thread is deep neat and clear the force is even and not easy to slip 3、Smooth surface without burrs good?quality workmanship strong and durable 4、The standard screw head is evenly stressed and the fastening effect is good 5、Round hex socket screw possess strong wear resistance and firmer high bite