S-90943A116 M4 x 12 mm ISO 7380-1 Stainless Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to premium 316 stainless steel construction
• High tensile strength of 70,000 psi ensures reliable, long-lasting fastening under demanding loads
• Secure and efficient installation with a 2.5 mm hex drive that prevents cam-out and allows for high torque application
• Smooth, low-profile rounded button head provides a finished appearance and reduces snagging risks
• Precise Class 6g thread fit guarantees consistent engagement and vibration resistance in fine-thread applications
• Fully threaded design offers maximum grip length and uniform clamping force along the entire shank
• Compliance with ISO 7380-1 and environmental regulations ensures quality, reliability, and safe use in regulated industries

Professional Applications & Engineering Value

Engineered for demanding industrial environments, this M4 x 0.5 mm fine thread metric screw addresses critical challenges like corrosion, vibration loosening, and assembly efficiency. The 316 stainless steel material provides exceptional resistance to chlorides and acidic conditions, making it ideal for marine, chemical processing, and food-grade equipment. The combination of a hex drive and rounded button head allows for high-torque installation in confined spaces while maintaining a smooth, snag-free surface. Its fully threaded Class 6g design ensures precise fit and superior holding power in machinery, electronic enclosures, and structural assemblies where reliability is non-negotiable.

Specification Summary & Compliance

This screw meets ISO 7380-1 dimensional and mechanical specifications, with a Class 6g thread tolerance ensuring precision fit. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in environmentally sensitive and regulated industrial applications worldwide.