Best Seller Bolts Factory Carriage Bolts Mushroomhead Bolts for Fastening

We are a manufacturer of toilet anchor bolts, self tapping screws, anchor bolts CE. We can also flexibly provide customers with private or partial phases of services according to customer needs. We keep on with our business spirit of 'Quality, Performance, Innovation and Integrity'. Our company has a more perfect personnel management system, superior salary and benefits, greater career development space and attentive humanistic care, so that our employees are highly satisfied with the company.

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.

We guarantee our Best Seller Bolts Factory Carriage Bolts Mushroomhead Bolts for Fastening of high quality with strong technical strength, scientific production management method and raw material of good quality. We provide more professional, standardized and international engineering products and services for customers. Our service is not only the recognition of customers, but also the success of customers. We attach importance to the leading role of talents to the development of the company, always adhering to the concept of people-oriented.