S-91263A897 M6 x 65 mm DIN 7991 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional durability with Class 10.9 high-strength alloy steel construction, ensuring reliable performance under heavy loads and in demanding environments.
• Superior corrosion resistance provided by zinc plating, extending service life and reducing maintenance needs in industrial settings.
• Easy and secure installation thanks to the 4mm hex drive and flat head design, allowing for flush mounting and high torque application without slipping.
• Optimized thread engagement with fully threaded M6 coarse 1mm pitch and Class 6g fit, enabling quick assembly and strong holding power in various materials.
• High tensile strength of 120,000 psi and Rockwell C32 hardness, offering robust fastening for critical applications without failure.
• Compliance with DIN 7991 standards, ensuring consistent quality, dimensional accuracy, and interoperability in machinery and construction projects.
• Environmental and safety compliance with RoHS 3 and REACH regulations, making them safe for use in regulated industries and global markets.

Professional Applications & Engineering Value

This M6 flat head hex screw is engineered to address common industrial challenges such as vibration loosening, corrosion, and high-stress failures. Made from zinc-plated alloy steel, it provides excellent resistance to rust and wear, ideal for outdoor machinery, automotive assemblies, and structural frameworks. The fully threaded design with a coarse 1mm pitch ensures rapid installation and superior grip in metal, wood, and composite materials, reducing assembly time and enhancing reliability. With a 90° countersink angle and flat head, it sits flush to prevent snagging and improve aesthetics in finished products. These screws are perfect for heavy-duty applications where high-strength and long-term durability are critical, supporting efficient maintenance and reducing downtime in construction and manufacturing sectors.

Specification Summary & Compliance

This fastener features precise metric threading with M6 x 1mm coarse pitch and Class 6g thread fit, ensuring tight tolerances for secure connections. It adheres to DIN 7991 manufacturing standards, guaranteeing dimensional accuracy and performance consistency. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), confirming it is free from hazardous substances and suitable for environmentally conscious industries. The Class 10.9 strength grade and specified tensile strength of 120,000 psi further validate its reliability for engineering applications.