Stainless Steel Hex Bolt /Carriage Bolt/Stud Bolt /Flange Bolt/T Head Bolt/Guardrail Bolt

Our company's Washer CE, ASME ANSI track bolts, hex cap screws has won the trust and praise of customers with high precision, reliable quality, reasonable price, short production cycle other competitive advantages. We leave good interests to customers and long-term interests to partners. Warmly welcome customers to come to visit and discuss business. Thus, we focus on the manufacture of the best quality products. Excellent quality, competitive prices, punctual delivery and dependable service can be guaranteed.

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.

And we will provide the best quality Stainless Steel Hex Bolt /Carriage Bolt/Stud Bolt /Flange Bolt/T Head Bolt/Guardrail Bolt to serve our customers according to the needs of customers in the shortest time. We sincerely welcome friends from all walks of life to visit and cooperate! We adhere to the development idea of independent innovation, driven by strategy and culture.