DIN603 Carriage Bolts, Round Head Carriage Bolts

At present, our production layout is reasonable so that our stainless steel fasteners, Stud rod ISO9001:2008, wing nuts has stable and reliable quality, which is deeply trusted and affirmed by our customers. What we can achieve is because no one takes the cause of intelligent technology more seriously and seriously than us! We insist on creating a mutual win-win model and believe that anything is possible.

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.

With our sophisticated technology and professional service, we are always committed to help customers to maximize their value, and to become the worldwide leading brand of DIN603 Carriage Bolts, Round Head Carriage Bolts. As a team and as individuals, we set ambitious goals and are committed to developing the skills that will enable us to succeed. We have won a good reputation among overseas and domestic clients.