Blue-White Zinc Plated/Galvanized Carriage Bolts/Mushroom Head Square Neck Carraige Bolts (Grade 2 Grade5)

We can sure to meet your highest demand of hex flange nut, nuts TS16949, GB Standard flange nut by advanced workmanship, high quality products and various of related accessories. We have been looking for long-term business partnerships, and ensure our suppliers that they will undoubtedly benefit in both short and long run. We pursue a culture where everyone is equal in personality, so that no matter what position or level, collaboration and communication must be based on mutual trust and respect. We now have our own gross sales team, style and design workforce, technical crew, QC workforce and package group.

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 operate in good faith and provide high-quality Blue-White Zinc Plated/Galvanized Carriage Bolts/Mushroom Head Square Neck Carraige Bolts (Grade 2 Grade5) and perfect pre-sale and after-sale service, aiming to be your efficient assistant. Our well-equipped facilities and excellent quality control throughout all stages of production enable us to guarantee total customer satisfaction. We abide by the tenet of honest management and establish a pre-sales and after-sales model oriented to meet customer needs.