S-91294A354 M12 x 25 mm DIN 7991, ISO 10642 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional strength and reliability with Class 10.9 grade and 120,000 psi tensile strength, ensuring secure fastening in demanding applications
• Superior corrosion resistance thanks to the black-oxide finish on alloy steel, extending service life in harsh industrial environments
• Optimized load distribution with a 90° countersink angle and flat head design, providing a flush finish and reducing stress concentrations
• Efficient installation and removal using the 8 mm hex drive, allowing for high torque application without slippage
• Precise thread engagement with Class 6g thread fit and coarse 1.75 mm pitch, enabling quick assembly and vibration resistance
• Full thread coverage along the 25 mm length, maximizing grip and holding power in various material thicknesses
• Compliance with international standards including DIN 7991/ISO 10642, ensuring consistent quality and interchangeability

Professional Applications & Engineering Value

This M12 flat head screw is engineered to address critical challenges in industrial assembly, where high tensile strength and corrosion resistance are paramount. The black-oxide alloy steel construction, combined with a Class 10.9 strength grade, provides exceptional durability under heavy loads and dynamic stresses, preventing fastener failure in machinery, structural frameworks, and automotive components. The fully threaded design with coarse metric thread ensures rapid installation and reliable clamping force, even in materials prone to vibration loosening. With a 90° countersink angle and hex drive, it offers seamless integration into countersunk holes, maintaining a low-profile finish while distributing stress effectively. Ideal for heavy-duty industrial applications, this screw minimizes maintenance needs and enhances operational safety by meeting rigorous performance standards.

Specification Summary & Compliance

This fastener adheres to precise dimensional tolerances, including Class 6g thread fit per metric standards and a 90° countersink angle as specified in DIN 7991 / ISO 10642. It is manufactured from alloy steel with a Rockwell C32 hardness and 120,000 psi tensile strength, ensuring consistent performance. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations confirms its environmental safety and suitability for global industrial supply chains.