S-91294A444 M16 x 35 mm DIN 7991, ISO 10642 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional Corrosion Resistance: Black-oxide coating on alloy steel provides reliable protection against rust and environmental degradation, extending service life in demanding conditions.
• High Tensile Strength for Demanding Loads: Class 10.9 grade ensures a tensile strength of 120,000 psi, offering superior reliability for high-stress structural and machinery assemblies.
• Precision Thread Fit for Secure Fastening: Class 6g thread fit with coarse M16x2mm threading guarantees consistent, vibration-resistant connections and easier assembly.
• Optimized Drive Engagement: 10 mm hex drive allows for high-torque installation with standard tools, reducing the risk of stripping and improving installation efficiency.
• Full Threading for Maximum Grip: Fully threaded design provides complete engagement along the 35 mm length, enhancing pull-out strength and load distribution.
• Standardized Flat Head Profile: 90° countersink angle and standard head profile enable seamless, flush mounting in pre-drilled holes for a clean, professional finish.
• Certified Material Hardness: Rockwell C32 hardness ensures excellent wear resistance and durability, maintaining fastener integrity under repeated stress.

Professional Applications & Engineering Value

This M16x2mm flat head screw is engineered to solve critical challenges in industrial applications where strength, corrosion resistance, and precision are non-negotiable. The black-oxide alloy steel construction combats moisture and chemical exposure, making it ideal for machinery, automotive frames, and structural steel assemblies. Its Class 10.9 strength grade and fully threaded design ensure that high-vibration environments do not compromise joint integrity, while the coarse thread and hex drive simplify installation in tight spaces. By adhering to DIN 7991/ISO 10642 standards, it delivers consistent performance in metric fastening systems, reducing downtime and maintenance costs for engineers and procurement teams.

Specification Summary & Compliance

This fastener features a metric M16x2mm coarse thread with a Class 6g tolerance for precise fit, and is manufactured to DIN 7991/ISO 10642 specifications. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material sustainability in industrial supply chains.