Need High Tensile Fasteners That Won't Fail Under Extreme Automotive Stress Conditions?

Our flat internal hex head screws deliver 80kgf/mm² minimum tensile strength in 316SS material, perfect for critical automotive assemblies requiring superior mechanical performance and corrosion resistance. Every fastener undergoes multi-point inspection with 2.5D projector verification and ISO-compliant quality control. Contact us for custom specifications and salt spray test data to ensure your assembly reliability.

Quality assurance is paramount in our manufacturing process, with critical measurement points including head diameter, head height, across-the-flat and corner hex dimensions, hex recess depth, hex plug gauge verification, total length, major and minor diameters, thread angle, and pitch accuracy. Our 45 years of fastener manufacturing expertise enables us to deliver consistent quality across specifications such as 1/4"×2" dimensions, meeting the exacting requirements of OEM manufacturers and aftermarket customers across automotive, machinery, aerospace, and marine industries. The 316SS material composition provides outstanding resistance to chloride corrosion and high-temperature environments, making these high tensile fasteners ideal for specialized applications where reliability and longevity are non-negotiable.