e made of 12.9 grade high tensile carbon steel. The material features strength and offers good corrosion resistance in bad environment like high temperature, cold weather, and high humidity areas. They have superior rust resistance and the excellent of oxidation resistance, which can ensure long time using.
2.Our screw thread is very sharp, clean and accurate. And the compact thread is not easy to out of shape and slid in the process of rolling.
3.Screws widely used in the home and office appliance, communication equipments, ship assembly and other machinery industry.
Size and Quantity：
M3 × 6-30 mm,20 pcs/30 pcs
M4 × 6-30 mm,20 pcs/30 pcs
M5 × 8-35 mm,20 pcs
M6 × 8-40 mm,10 pcs/20 pcs
M8× 10-50 mm,5 pcs/10 pcs;
M10 × 25-50 mm,5 pcs
Note:
1.Please allow 1-3mm errors due to manual measurement. Thank you for your understanding.
2.Keep away from children and babies and prevent swallowing.