How You Can Trust Us ？Kinsom Fasteners specializes in automotive standard and custom non-standard fasteners.Our factory holds both ISO 9001 and IATF 16949 certifications.Below is a Verification guide for our IATF 16949 certificate. IATF 16949 Certificate Verification Guide Company Name: Kunshan Samh

Now we update some test items for the bolts ,screws and studs.with the test standard.Kinsom test will follow all this when we control in house or in the third party ,SGS,CTI or required by clients,Kinsom can take control those following items in house:

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.

Mastering PPAP in the Automotive Industry: Requirements, Challenges, and How Kinsom Delivers Excellence The Production Part Approval Process (PPAP) is a critical framework in the automotive industry, ensuring that components and systems meet stringent quality, reliability, and safety standards befor

Precision Straightness Control in Fasteners: How We Meet Your Custom Requirements & Save Costs 1. Defining Straightness: Why It MattersStraightness is a critical geometric tolerance (per ISO 1101、ISO2768、GB1804-2000、UNI-EN-22768-mK、GB1184etc) Partner With a Straightness Expert Kinsom Fasteners

Kinsom Fasteners Expands Custom Non-Standard Capabilities with New 85S 5-Station Cold Header

As demand for high-end custom non-standard fasteners surges across new energy, automation, construction machinery, and rail transit, Kinsom Fasteners continues to strengthen its position through strategic equipment upgrades and full-chain manufacturing control.

In June 2026, the company commissioned a new Zhejiang Dongrui 85S 5-station cold header—a move that fills the gap for high-complexity parts and elevates process capability, capacity, and product diversity. This addition complements an existing fleet of 2-die 4-blow, 3-die 6-blow, 4-die 4-blow, and 5-die 5-blow machines, enabling full-spectrum coverage from simple components to intricate specialty geometries.