Round Head Square Neck Carriage Bolts DIN603

Our company not only provides you with high-quality DIN Flat Washer, square plain washer, Set Screw, but also can tailor solutions for your exclusive applications according to the changes in market application scenarios, thereby increasing your business income and market competitiveness. We have strong competitiveness in the same industry and we can provide users with protection and maximum economic benefits. Customer satisfaction, high quality products and convenient service are our company' s missions. We believe that we are capable of helping your business continue to grow and develop. We focus on investment in science and technology, and plan to cultivate and improve the professional capabilities of the team.

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.

It is precisely by adhering to such a concept that we will give high-quality Round Head Square Neck Carriage Bolts DIN603 to our customers, so that every customer can buy and use them at ease. We guarantee that every customer who comes to our company will come happy and return satisfied. We're confident that we are going to share mutual accomplishment and create solid co-operation relations with our companions within this market place.