GB 70.1/DIN En ISO 12474 /ANSI/ASME B 18.3.1m Hexagon Socket Head Cap Screws

Since we use standard assembly line production equipment, our lock washer for sale, lug nuts, DIN Square Head Bolt is more formal, reliable in quality and inexpensive. Advanced machinery and equipment and scientific management make our products have a good reputation in the industry. It can be our wonderful honor to meet your requires. We have now confident that we can easily offer the premium quality products and solutions at resonable price, good after-sales services into the buyers.

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. 

Under the leadership of the company's leaders, we have introduced a large number of talents and established a complete quality management system to ensure the quality of our GB 70.1/DIN En ISO 12474 /ANSI/ASME B 18.3.1m Hexagon Socket Head Cap Screws. We constantly practice the business philosophy of 'Thanksgiving, Responsibility, Progress, and Win-win'. Since the establishment of our company, it has always been adhering to the corporate philosophy of 'symbiosis', with the goal of creating world-class products, and striving for diversification and globalization.