Kinsom fasteners standard share on GB∕T 3098.13-1996 Mechanical properties of fasteners-Torsional test and Minimum torques for Bolts Screws with nominal diameters 1MM to 10MM from Grade8.8-12.9,more details about the how to test the torques in process of fasteners before shipping out.Kinsom follow the inspection rules and system ISO 9001:2015 certificate.Our weld bolt meet your specific demands.

Annually certificated the inspection tools is necessary when you need make sure the quality of fasteners.Machines and tools would be demage if you have been using for longtime.Kinsom will take step by step following with quality control system and produce the fasteners meet the customer's request.

Professional Test Machine: Atomatic optic imspectorKinsom always focus on the Fasteners and precision metal parts industry, to help customer to get the right parts. Helps customers Improve Quality, Achieve Faster and more Secure Delivery, Reduce Total Cost.We use the professional test machine to ensure your quality.

Kinsom fasteners update new Digital Rockwell hardness test machine for HRB HRC HV to control quality. Auto sorting machine: Kinsom always test 100% of our production lots to ensure absolute quality. If our customer require class 8.8-12.9 customized fasteners, throughout every step of the manufacturing process we utilize in-process controls, we still can control on our own testing room with the hardness tester. No matter with HRC HRB or HV hardness, final 3 rounds inspections when export out.

Our Production line is Fully Operational On Site since Covid 19 break on March 2020,All the workers are back to normal life end of March.Any new projects or questions feel free to email us.