S-91294A240 M6 x 20 mm DIN 7991, ISO 10642 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance thanks to the black-oxide finish on alloy steel, ideal for harsh industrial environments.
• High-strength performance with a Class 10.9 grade and 120,000 psi tensile strength, ensuring reliable load-bearing capacity.
• Superior durability and wear resistance provided by the Rockwell C32 hardness, extending the fastener's service life.
• Easy and secure installation with a 4mm hex drive and standard flat head profile, minimizing the risk of stripping.
• Wide compatibility and precise fit due to the M6x1mm coarse thread with Class 6g fit, facilitating quick assembly.
• Full thread engagement across the 20mm length, offering maximum grip and stability in fastened joints.
• Compliance with major international standards including DIN 7991/ISO 10642, ensuring consistent quality and safety.

Professional Applications & Engineering Value

This M6 flat head screw is engineered from black-oxide alloy steel to address common industrial challenges such as corrosion and mechanical failure in demanding applications. The Class 10.9 strength grade and fully threaded coarse pitch design provide robust clamping force, making it ideal for machinery, automotive assemblies, and structural frameworks where vibration resistance is critical. The 90° countersink angle and flat head profile ensure a flush finish, reducing protrusion risks and improving aerodynamic or aesthetic surfaces. By integrating high tensile strength with standardized metric threading, this fastener delivers reliable performance in heavy-duty and precision engineering environments, minimizing maintenance needs and enhancing operational longevity.

Specification Summary & Compliance

This product features precise M6x1mm coarse threads with a Class 6g thread fit per metric standards, ensuring dimensional accuracy and interchangeability. It is manufactured in compliance with DIN 7991 and ISO 10642 specifications for flat head hex screws, and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming its suitability for global industrial use without hazardous substances.