S-91294A210 M5 x 12 mm DIN 7991, ISO 10642 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional durability with Class 10.9 high tensile strength (120,000 psi) and Rockwell C32 hardness for reliable performance in demanding environments
• Superior corrosion resistance provided by black-oxide coating on alloy steel, extending service life in industrial applications
• Precise installation and removal with 3mm hex drive design ensuring secure tool engagement and reduced stripping risk
• Optimal flush mounting through standard 90° countersink angle and flat head profile for clean, professional finishes
• Consistent threading performance with fully threaded M5 coarse pitch (0.8mm) and Class 6g fit for secure fastening in various materials
• International compatibility meeting DIN 7991/ISO 10642 standards for global engineering projects and replacement parts
• Environmental compliance with RoHS 3 and REACH regulations, ensuring safe use in regulated industries

Professional Applications & Engineering Value

This M5 flat head screw delivers critical engineering advantages through its black-oxide alloy steel construction and Class 10.9 strength rating. The combination of 120,000 psi tensile strength and Rockwell C32 hardness provides exceptional resistance to vibration loosening and structural fatigue in heavy machinery, automotive assemblies, and industrial equipment. The fully threaded metric design with coarse pitch threading ensures maximum grip length and faster installation in metal, plastic, and composite materials. The 90° countersink angle creates seamless flush mounting for applications where protrusion isn't acceptable, while the 3mm hex drive offers superior torque transmission compared to Phillips or slotted alternatives. These industrial screws solve common fastening challenges including corrosion prevention, high-stress tolerance, and regulatory compliance requirements.

Specification Summary & Compliance

This fastener maintains Class 6g thread fit tolerance according to metric standards, ensuring precise threading compatibility. Manufacturing follows DIN 7991/ISO 10642 specifications for dimensional accuracy and performance consistency. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, containing no restricted substances. The black-oxide surface treatment provides additional corrosion protection while maintaining dimensional stability. All dimensions including the 12mm length, 10mm head diameter, and 2.8mm head height conform to international metric standards for reliable interchangeability.