Metric Hex Bolt DIN931/DIN933 ISO4014/ISO4017 Gr 8.8/10.9/12.9

We ensure the high quality and excellent performance of the mild steel TS16949, Mertic Standard double ends stud, GB Hex Socket Screw, and resolutely prevent unqualified products from leaving the factory. Our company has established a development, production and quality inspection guarantee system, and equipped with professional sales engineers to serve customers. Our company will adhere to the spirit of 'no end of service, always pursue better' and constantly surpass itself. We welcome buyers all around the word to make contact with us for foreseeable future small business associations.

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.

With years of professional experience in product design, our Metric Hex Bolt DIN931/DIN933 ISO4014/ISO4017 Gr 8.8/10.9/12.9 has reached the international leading level in terms of appearance, structure, quality and packaging. With the spirit of perseverance and never giving up, we have overcome one difficulty after another and achieved certain achievements. We use our sincerity in exchange for the loyalty of users. In the fierce market competition, we sincerely make friends all over the world and sincerely cooperate with friends from all walks of life at home and abroad to create a better tomorrow.