S-91263A952 M16 x 45 mm DIN 7991 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional strength and reliability with Class 10.9 rating and 120,000 psi tensile strength for demanding industrial applications
• Superior corrosion resistance provided by zinc plating, ensuring long-term durability in harsh environments
• Optimized for high-load applications featuring Rockwell C32 hardness for excellent wear resistance and structural integrity
• Precise and secure fastening with Class 6g thread fit and coarse 2mm pitch for quick installation and vibration resistance
• Efficient installation and removal using standard 10mm hex drive, reducing assembly time and tool requirements
• Full thread engagement along the 45mm length for maximum grip strength and load distribution
• Regulatory compliance assurance meeting DIN 7991 standards and environmental regulations including RoHS 3 and REACH

Professional Applications & Engineering Value

This M16 flat head screw delivers critical engineering value in heavy-duty applications where failure is not an option. The zinc-plated alloy steel construction provides superior corrosion resistance, making it ideal for outdoor equipment, machinery frames, and structural assemblies exposed to moisture and chemicals. The Class 10.9 strength rating and 120,000 psi tensile strength ensure reliable performance under extreme loads and vibrations. The fully threaded design with coarse 2mm pitch enables rapid installation while maintaining secure fastening in materials where fine threads might strip. The flat head profile with 90° countersink angle creates a flush surface finish, essential for applications requiring aerodynamic surfaces or where protruding fasteners could cause interference. These metric hex screws are engineered to solve common industrial challenges including joint integrity, corrosion-induced failure, and installation efficiency in production environments.

Specification Summary & Compliance

This fastener maintains precision Class 6g thread fit according to metric standards, ensuring consistent engagement and reliable performance. Manufacturing complies with DIN 7991 specifications for dimensional accuracy and quality control. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming its suitability for regulated industries and international markets. The combination of alloy steel material, zinc plating surface treatment, and strict adherence to industrial standards guarantees consistent performance across production batches and applications.