S-91304A101 M3 x 8 mm DIN 7991, ISO 10642 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• High tensile strength of 120,000 psi ensures reliable performance in demanding applications, reducing the risk of fastener failure.
• Blue-dyed zinc-plated alloy steel construction provides excellent corrosion resistance and visual identification for quality control.
• Class 10.9 strength grade with Rockwell C32 hardness offers superior durability and resistance to wear in high-stress environments.
• M3 coarse thread with Class 6g fit enables quick, secure installation and reduces cross-threading risks.
• 90° countersink angle and flat head design allows for a flush finish, minimizing protrusion and improving safety.
• 2 mm hex drive facilitates easy tightening with standard tools, speeding up assembly processes.
• Compliance with DIN 7991/ISO 10642, RoHS 3, and REACH ensures adherence to international quality and environmental standards.

Professional Applications & Engineering Value

These M3 flat head screws are engineered for precision assembly in industrial and mechanical systems where space constraints and high strength are critical. Made from alloy steel with blue-dyed zinc plating, they resist corrosion in harsh environments, extending service life in machinery, automotive, and electronics applications. The coarse thread (0.5 mm pitch) and Class 6g thread fit provide reliable engagement in metals and plastics, reducing installation time and improving joint integrity. With a 90° countersink, they sit flush to prevent snagging, making them ideal for streamlined designs. Fully compliant with DIN 7991/ISO 10642 standards, these screws deliver consistent performance for engineers seeking durable, high-strength metric fasteners that meet rigorous regulatory demands.

Specification Summary & Compliance

This product features precise metric threading (M3 x 0.5 mm pitch) with a Class 6g tolerance for accurate fit, and is manufactured to DIN 7991/ISO 10642 specifications. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material reliability in industrial use.