DIN603 ASME Carriage Bolt/ Round Head Square Neck Bolt/Mushroom Head Bolt/ Coach Bolt Grade 4.8, 8.8, 10.9, 12.9/ SS304, SS316/Gr. 2, 5, 8, A307

All our customers are located worldwide and are very satisfied because of the excellent price-performance ratio of our thumb screws for sale, T Head Bolt, GB standard hex bolt. Our company upholds the enterprise spirit of 'integrity, dedication, innovation and transcendence'. Our company is equipped with a group of motivated, responsible, capable and united employees.

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.

Our company's business has spread all over the world. We are working hard to become a benchmark enterprise in DIN603 ASME Carriage Bolt/ Round Head Square Neck Bolt/Mushroom Head Bolt/ Coach Bolt Grade 4.8, 8.8, 10.9, 12.9/ SS304, SS316/Gr. 2, 5, 8, A307 industry. Sincerely welcome friends all over the world to call or come to visit, to discuss cooperation for a better future! The core values that our company has always adhered to are to create value for customers, bring more benefits for partners and establish a better future for the employees.