S-91294A363 M12 x 55 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-strength rating and 120,000 psi tensile strength for reliable performance in demanding applications
• Superior corrosion resistance through black-oxide alloy steel construction, extending service life in harsh industrial environments
• Optimized installation efficiency with 8mm hex drive design providing secure tool engagement and reduced slippage
• Precise thread engagement with Class 6g thread fit and coarse 1.75mm pitch ensuring quick assembly and vibration resistance
• Flush mounting capability through standard 90° countersink angle and flat head design for smooth surface finishes
• Full thread coverage along the 55mm length maximizes grip strength and load distribution across connected materials
• Regulatory compliance assurance meeting international standards including DIN 7991/ISO 10642, RoHS 3, and REACH for global project suitability

Professional Applications & Engineering Value

These M12 flat head screws deliver critical engineering solutions where high-strength fastening and flush surface requirements intersect. The black-oxide alloy steel construction provides essential corrosion protection for machinery, structural frameworks, and outdoor equipment exposed to environmental stressors. With Rockwell C32 hardness and 120,000 psi tensile strength, these Class 10.9 metric screws prevent joint failure under dynamic loads and vibration. The coarse 1.75mm pitch threading enables rapid installation in steel structures, industrial machinery, and automotive assemblies while maintaining vibration-resistant performance. The combination of fully threaded design and 8mm hex drive ensures maximum clamping force distribution and reliable torque transmission during installation.

Specification Summary & Compliance

Manufactured to precise Class 6g thread fit tolerances with right-hand metric threading and standardized 90° countersink angle. Complies with DIN 7991/ISO 10642 specifications for dimensional accuracy and performance requirements. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance standards for environmental and safety regulations. The 55mm length and 24mm head diameter provide optimal proportions for industrial fastening applications requiring flush mounting and high-strength retention.