Rail Timber Screw for Railroad Sleeper

We investigate the production of Nut, GB hex socket screws, bolt screw CE, and take advantage of the strengths of many other manufacturers to innovate it continuously. Our professional identification and selection of raw materials are our strengths, and our unremitting efforts to develop, produce and supply the best products for our customers are our goals. After years of hard work, we have a good company image, we combine the sales strategy and means with the company image.

Shanghai Jinrui Norm Parts Supplies Co.,Ltd is one of the leading tapping screw manufacturers and suppliers in China, welcome to buy self tapping screws, button head screw, socket cap screw, hex head screw, self drilling screws from our factory and company.

The main products of Shanghai Jinrui are bolt, nut, washer, machine screw, self tapping screw and other fasteners with material of carbon steel, alloy steel, stainless steel. 

Tappying screws have self-tapping screw and self-drilling screw. Self tapping screw has a sharp point which is convenient when screwing the holes. Self-drilling screw has a drill point whicn can drill a hole when used with an electric hand drill. 

Material usually is low carbon steels with carburization on tapping screw surface. Carburization could increase hardness on the surface. According to the head types, tapping screws usually are grouped into phillips pan head self tapping screw,   phillips countersunk head self tapping screw, slotted head tapping screw, hex head tapping screw,hex flange self-drilling screw, hex washer head drilling screw, etc. 

We strive to provide the public with safe and exquisite Rail Timber Screw for Railroad Sleeper and considerate and thoughtful services. If any further inquiries, please feel free to contact us. Improve the management level to provide a scientific basis for our business decision-making, according to our experience, to provide us as a pioneer in other countries business policy.