S-91294A530 M20 x 80 mm DIN 7991, ISO 10642 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with black-oxide coating, ideal for harsh industrial environments.
• High tensile strength of 120,000 psi ensures reliable performance under heavy loads and vibrations.
• Full threading along the 80mm length provides maximum grip and uniform stress distribution.
• Class 10.9 strength grade guarantees consistent durability and fatigue resistance.
• Precise Class 6g thread fit enables easy installation and secure fastening in metric applications.
• 90° countersink angle and flat head design allows for flush mounting, improving safety and aesthetics.
• Hex drive (12mm) ensures straightforward installation with standard tools, reducing assembly time.

Professional Applications & Engineering Value

This M20 flat head screw is engineered with black-oxide alloy steel and a coarse 2.5mm pitch thread to address common industrial challenges such as vibration loosening and corrosion. The fully threaded design and Class 10.9 strength provide superior clamping force, making it ideal for heavy-duty machinery, structural assemblies, and automotive applications where reliability is critical. Its compliance with DIN 7991/ISO 10642 standards ensures dimensional accuracy and interchangeability, while the right-hand thread and hex drive facilitate quick, secure installations in high-stress environments, minimizing maintenance and downtime.

Specification Summary & Compliance

This fastener features a metric M20 x 2.5mm thread with Class 6g tolerance for precise fit, and is manufactured to meet DIN 7991 (ISO 10642) specifications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for global industrial use.