S-90729A167 M3 x 8 mm Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel and passivated finish for long-lasting performance in harsh environments
• Precise flush installation enabled by 100° countersink angle and undercut flat head design for smooth, secure surface finishes
• High-strength reliability offering 70,000 psi tensile strength and Rockwell B70 hardness for demanding mechanical applications
• Efficient assembly with 2mm hex drive providing secure tool engagement and reduced risk of stripping during installation
• Consistent thread engagement through Class 6g thread fit and coarse pitch (0.5mm) ensuring reliable fastening in various materials
• Full thread coverage along the 8mm length for maximum grip strength and uniform load distribution
• Regulatory compliance meeting RoHS 3 and REACH standards for safe use in regulated industries

Professional Applications & Engineering Value

These M3 flat head screws deliver exceptional engineering value in applications where corrosion resistance, precise flush mounting, and high tensile strength are critical. The combination of 316 Stainless Steel material and passivated finish provides superior protection against chemical exposure and atmospheric corrosion, making them ideal for marine equipment, chemical processing installations, and outdoor machinery. The fully threaded design with Class 6g thread fit ensures maximum engagement strength in both soft and hard materials, while the undercut flat head with 100° countersink angle prevents surface protrusion in precision assemblies. The 2mm hex drive offers reliable torque transmission without cam-out, reducing installation time and improving production efficiency in automated or manual assembly lines.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 6g thread fit tolerance and head diameter tolerance of -0.127 to 0.127 mm. These metric screws feature M3 x 0.5mm coarse thread with right-hand threading and fully threaded 8mm length. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial applications worldwide.