S-90729A565 M8 x 16 mm Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction and passivated finish for long-lasting performance in harsh environments
• Exceptional strength and durability with 70,000 psi tensile strength and Rockwell B70 hardness for reliable load-bearing applications
• Precise Class 6g thread fit ensures smooth installation and secure fastening in coarse thread applications
• Optimized flat head design with undercut profile provides flush mounting and reduced risk of surface damage
• Convenient 5mm hex drive allows for high-torque installation with standard tools while preventing cam-out
• Full threading along 16mm length delivers maximum grip and adjustment flexibility in various material thicknesses
• Comprehensive regulatory compliance with RoHS 3 and REACH standards for environmentally responsible manufacturing

Professional Applications & Engineering Value

This M8 flat head screw delivers exceptional engineering value in demanding industrial environments where corrosion resistance and mechanical strength are critical. The 316 stainless steel composition provides superior protection against chemical exposure, saltwater, and extreme temperatures, making it ideal for marine equipment, chemical processing plants, and food processing machinery. The passivated finish enhances the natural corrosion resistance of the base material while maintaining electrical conductivity. The fully threaded design with coarse metric threading ensures maximum holding power in soft materials and quick installation across various assembly applications. The undercut flat head profile allows for countersunk installation that sits flush with surfaces, preventing snagging while distributing clamping force efficiently. These features combine to create a reliable fastening solution that withstands vibration, thermal cycling, and corrosive environments while maintaining precise Class 6g thread fit tolerances.

Specification Summary & Compliance

This metric fastener features precise M8 x 1.25mm coarse threading with Class 6g thread fit tolerance, ensuring compatibility with standard metric nuts and threaded holes. The screw maintains tight dimensional control with head diameter tolerance of -0.127 to 0.127 mm and features a 100° countersink angle for proper seating in standard countersunk holes. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted substances and commitment to environmental responsibility. The mechanical properties include 70,000 psi tensile strength and Rockwell B70 hardness, providing reliable performance in industrial applications requiring corrosion-resistant fasteners with consistent mechanical characteristics.