S-91294A202 M4 x 35 mm DIN 7991, ISO 10642 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional durability and fatigue resistance from Class 10.9 alloy steel, ensuring reliable performance in high-stress applications.
• Superior corrosion protection with black-oxide coating, extending service life in demanding industrial environments.
• High tensile strength of 120,000 psi provides secure fastening, reducing the risk of failure under heavy loads.
• Precision M4 x 0.7mm coarse threading allows for quick installation and strong grip in various materials.
• 90° countersink angle and flat head design ensures a flush finish, minimizing protrusion and improving safety.
• 2.5mm hex drive compatibility offers easy, slip-resistant installation with standard tools.
• Full compliance with DIN 7991/ISO 10642 standards guarantees dimensional accuracy and interchangeability.

Professional Applications & Engineering Value

Engineered for high-strength industrial fastening, this M4 flat head screw with black-oxide alloy steel construction addresses critical needs in machinery, automotive, and structural assemblies. The fully threaded design and coarse pitch enhance vibration resistance and ease of insertion, reducing assembly time. With a Rockwell C32 hardness and 120,000 psi tensile strength, it withstands dynamic loads and harsh conditions, preventing loosening and material fatigue. The 90° countersink angle ensures seamless integration, ideal for applications requiring a smooth surface and reliable metric screw performance in compliance with DIN 7991/ISO 10642.

Specification Summary & Compliance

This flat head screw features precise Class 6g thread fit and M4 x 0.7mm coarse thread spacing for consistent engagement. Manufactured to DIN 7991/ISO 10642 specifications, it ensures dimensional accuracy and reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmentally responsible and safe industrial use.