S-91223A424 M4 x 25 mm 316 Stainless Steel Ultra-Low-Profile Socket Head Screws
316 Stainless Steel Ultra-Low-Profile Socket Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments and extended service life.
- High-strength performance offering 70,000 PSI tensile strength and Rockwell B70 hardness for reliable, durable fastening under load.
- Precise thread fit with Class 6g tolerance ensuring easy assembly and consistent engagement in metric applications.
- Space-saving design featuring an ultra-low socket head profile for use in confined spaces and streamlined assemblies.
- Secure torque transmission via the 2.5 mm hex drive, reducing the risk of stripping and providing efficient installation.
- Versatile full-threaded design allowing for adjustable positioning and strong holding power along the entire 25 mm length.
- Regulatory compliance with RoHS 3 and REACH standards, ensuring environmental safety and global market acceptance.
Professional Applications & Engineering Value
Engineered for demanding industrial settings, this M4 socket head cap screw in 316 stainless steel provides exceptional resistance to corrosion, chemicals, and high-moisture conditions, making it a top choice for marine, chemical processing, and food-grade equipment. The ultra-low head profile and hex drive design enable secure fastening in tight spaces where clearance is limited, while the Class 6g thread fit and coarse thread pitch ensure quick, reliable installation with reduced cross-threading risks. Its high tensile strength and full-threaded body deliver consistent clamping force, essential for machinery, automotive assemblies, and structural applications requiring long-term reliability and minimal maintenance.
Specification Summary & Compliance
This metric fastener features an M4 x 0.7 mm coarse thread with a Class 6g thread fit, adhering to standard ISO tolerances for precision. The head diameter is 7 mm with a tight tolerance of -0.127 mm to 0.127 mm, and the screw is fully threaded with a 25 mm length. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious and global industrial supply chains.
