S-91263A956 M16 x 70 mm DIN 7991 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 120,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
• Superior corrosion resistance from zinc plating protects against rust and extends service life in harsh industrial environments.
• High-strength Class 10.9 rating guarantees consistent load-bearing capacity and durability for critical assemblies.
• Precise Class 6g thread fit provides smooth installation and secure fastening, minimizing play and vibration loosening.
• Full threading with coarse pitch enables faster driving and stronger holding power in various materials.
• 90° countersink angle and flat head design offer a flush finish, enhancing safety and aesthetics in assembled products.
• Compliance with DIN 7991 and environmental standards ensures product reliability and meets global regulatory requirements for industrial use.

Professional Applications & Engineering Value

This M16x2mm Class 10.9 zinc-plated alloy steel flat head screw is engineered to address common challenges in heavy-duty industrial settings, such as machinery assembly, structural frameworks, and automotive components. The fully threaded right-hand design with coarse spacing ensures quick, secure fastening, while the hex drive allows for high-torque application without slippage. Made from robust alloy steel and finished with zinc plating, it resists corrosion and wear, making it ideal for environments exposed to moisture, chemicals, or dynamic loads. By meeting DIN 7991 standards, it provides consistent dimensional accuracy and performance, reducing downtime and maintenance costs in engineering projects that demand reliability and long-term durability.

Specification Summary & Compliance

This fastener features metric M16x2mm coarse threads with a Class 6g thread fit for precise tolerance, ensuring compatibility with standard nuts and tapped holes. It adheres to DIN 7991 manufacturing specifications, with a 90° countersink angle and fully threaded design for uniform stress distribution. The product is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and suitable for global industrial applications requiring environmental and safety standards.