Made in China Non-Standard Custom Square Head Screw, Step Screw, Edge Milling

Based on the optimization of industrial structure and driven by technological innovation, we have a good reputation in the stud bolts, rivets, bolts and nuts industry for many years with the attitude of honesty. We will try our best to serve every customer wholeheartedly and become a partner that customers can trust and rely on. We look forward to your visit.

Shanghai Jinrui Norm Parts Supplies Co.,Ltd is one of the leading gb square head bolt manufacturers and suppliers in China, welcome to buy gb square head bolts, gb standard square head bolts, expansion bolt from our factory and company.

Shanghai Jinrui Norm Parts Supplies Co., Ltd. was built in 2001 which located in Baoshan District adjacent to the Bao Steel Group.Shanghai Jinrui is a fastener enterprise who owes a set of R & D, design, production and sales of high quality.

Square head bolts is similar with hexagon head bolt, but this kind of bolt, square head bolt has larger surface force, commonly used in rough structure can also be used for parts with a T-shaped groove, in order to adjust the position of the bolt.

Square head bolts are divided into a grade4.8 bolt, grade8.8 bolts, grade10.9 bolts, grade12.9 bolts depengding on the strength. According to the screw wire material ,it's dividedinto iron bolts and stainless steel bolts, stainless steel bolts have SUS304 stainless steel bolts, stainless steel, SUS201 bolts, stainless steel SUS316 bolts.

We promote the development of the Made in China Non-Standard Custom Square Head Screw, Step Screw, Edge Milling industry through innovation, continuously improve product quality through user feedback, and reflect corporate value by meeting user needs. Since the establishment, our company has been oriented to customer needs, respecting talents, constantly improving our own strength and level. Although it has a long way to go, we will not stop our progress.