S-91223A443 M6 x 20 mm 316 Stainless Steel Ultra-Low-Profile Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh or marine environments.
• High mechanical strength and durability, offering a tensile strength of 70,000 psi and Rockwell B70 hardness for reliable performance under load.
• Precise and secure installation with a 4mm hex drive and ultra-low socket head profile, allowing for a compact design and reduced risk of stripping.
• Accurate and reliable thread engagement due to the Class 6g thread fit, ensuring consistent fastening in metric assemblies.
• Broad application compatibility with a coarse M6 x 1mm thread, facilitating quick assembly and disassembly.
• Full compliance with environmental regulations, including RoHS 3 and REACH, making it suitable for regulated industries.
• Consistent dimensional accuracy with a head diameter tolerance of -0.127mm to 0.127mm, ensuring a perfect fit in precision applications.

Professional Applications & Engineering Value

This M6 socket head cap screw in 316 stainless steel is engineered to address critical challenges in industrial and precision environments. Its corrosion-resistant properties make it ideal for applications exposed to moisture, chemicals, or saltwater, such as marine equipment, chemical processing plants, and food machinery. The ultra-low socket head profile and 4mm hex drive enable installation in confined spaces, reducing assembly time and minimizing the risk of tool slippage. With a coarse thread (M6 x 1mm) and Class 6g thread fit, it provides reliable, vibration-resistant fastening in dynamic systems, from automotive components to heavy machinery. The combination of 70,000 psi tensile strength and Rockwell B70 hardness ensures long-term durability, preventing failure in high-stress scenarios and reducing maintenance costs.

Specification Summary & Compliance

This socket head cap screw adheres to metric standards with an M6 thread size, 1mm pitch, and Class 6g thread fit for precise dimensional accuracy. The head diameter tolerance is controlled within -0.127mm to 0.127mm, ensuring consistent performance. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious and regulated industrial applications.