Hex Head Hexagonal Socket Bolt Carriage Bolt

The ability of independent innovation is of great significance to improving the product design and international competitiveness of our nuts, countersunk screw, lag screws. We will continue to create new value for the majority of customers, and wholeheartedly build our company into a well-known supplier in the industry. We look forward to your correspondence. We focus on every detail of order processing for customers till they have received safe and sound products with good logistics service and economical cost.

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 have been in line with the product quality is the fundamental business philosophy, all sales of Hex Head Hexagonal Socket Bolt Carriage Bolt are of high quality. It can save selection cycle for customers and create considerable social and economic benefits for customers. We work hard with our customers, colleagues, workers to make a better future.