Stainless Steel Top Quality Ss 304 5/16" Guardrail Bolt

We are dedicated to provide high-quality services to users at home and abroad to meet the new demand for bolts, threaded rod, JIS standard hex bolt. Our company adheres to the business philosophy of 'quality to create brand, with services to win market' making the greatest efforts for customer service. Our products have been sold at home and abroad, and achieved gratifying results. Our company has established high-quality sales network and after-sales service in many provinces and regions, and used flexible market operation mechanism to make our products sell well all over the world.

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

This standard of the GB carriage bolt stipulates the thread size from M5-M20. As the aquare neck,the depth of square shall be measured,parallel to th axis of bolt at the midpoint of the flats   of square,from the bottom of square to the bearing surface for bolts having flat bearing surface type heads,and to the intersectio of flats of square with the conical bearing surface for bolts having countersunk head.The corners of square neck may be rounded to the extent specified in the respective dimensional tables and need not be filled out for the total depth of square.

In order to better develop the domestic and foreign markets, we uphold the business philosophy of stable product performance and excellent quality, we will continue to provide with the best quality of Stainless Steel Top Quality Ss 304 5/16" Guardrail Bolt and the most thoughtful services. We will combine online and offline to provide thoughtful, efficient and fast one-stop product services. Our company has always implemented the business policy of 'Quality Leading, Service Leading' to meet the needs of our customers. We sincerely hope that our products and services can bring you convenience and benefits.