S-91294A343 M10 x 70 mm DIN 7991, ISO 10642 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with black-oxide alloy steel coating, ideal for harsh industrial environments
• High tensile strength of 120,000 psi ensures reliable performance in heavy-duty applications and prevents fastener failure
• Precision Class 6g thread fit guarantees smooth installation and secure, vibration-resistant connections
• Fully threaded design provides maximum grip and holding power along the entire 70mm length
• Rockwell C32 hardness offers superior wear resistance and long-term durability under high stress
• 90° countersink angle and flat head allows for a flush, clean finish in countersunk holes
• Compliance with DIN 7991/ISO 10642 ensures dimensional accuracy and interchangeability in metric assemblies

Professional Applications & Engineering Value

Engineered for demanding industrial applications, this M10 flat head screw solves critical challenges in machinery, automotive, and structural assemblies. The black-oxide alloy steel construction provides a protective barrier against rust and oxidation, extending service life in moist or corrosive conditions. With a coarse 1.5mm thread pitch and Class 10.9 strength grade, it resists loosening under vibration and handles high clamp loads efficiently. The hex drive style ensures easy installation with standard tools, while the fully threaded metric screw design offers consistent engagement in thick materials. Ideal for heavy-duty fastening where reliability and compliance with international standards are paramount.

Specification Summary & Compliance

This fastener features a Class 6g thread fit per ISO metric standards, ensuring precise tolerance for secure mating. It conforms to DIN 7991 and ISO 10642 specifications for dimensional accuracy and performance. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for use in various markets.