S-91304A102 M3 x 10 mm DIN 7991, ISO 10642 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional strength and durability with Class 10.9 alloy steel construction, ensuring reliable performance under high-stress conditions and a tensile strength of 120,000 psi.
• Superior corrosion resistance thanks to the blue-dyed zinc plating, providing long-lasting protection in harsh industrial environments.
• Precise and secure fastening with a fully threaded M3 x 0.5mm coarse thread and Class 6g fit, offering excellent grip and vibration resistance.
• Easy installation and removal featuring a 2 mm hex drive and standard flat head with 90° countersink angle for flush mounting and efficient tool engagement.
• High hardness and wear resistance with Rockwell C32 hardness, maintaining thread integrity and fastener shape over repeated use.
• Compliance with international standards including DIN 7991/ISO 10642, ensuring consistent quality, interchangeability, and reliability in global applications.
• Environmental and safety compliance meeting RoHS 3 and REACH regulations, making them safe for various industries and reducing regulatory risks.

Professional Applications & Engineering Value

These M3 flat head screws are engineered to address critical challenges in industrial assembly, such as vibration loosening and corrosion-induced failure. Made from Class 10.9 alloy steel with a blue-dyed zinc-plated finish, they offer enhanced durability and aesthetic marking for quality control. The fully threaded design and coarse thread pitch provide superior holding power in materials like metal and plastic, reducing the need for frequent maintenance. Ideal for machinery, automotive, and electronics, these metric screws ensure precise countersink alignment with a 90° angle, minimizing protrusion and improving safety in compact spaces. Their compliance with DIN 7991/ISO 10642 standards guarantees consistent performance, making them a trusted choice for engineers seeking reliability and efficiency in high-strength fastening solutions.

Specification Summary & Compliance

This product adheres to precise dimensional tolerances, including a Thread Fit Class 6g per metric standards, ensuring accurate threading and compatibility. It meets DIN 7991/ISO 10642 specifications for flat head screws, covering aspects like head diameter (6 mm), length (10 mm), and countersink angle (90°). Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations confirms the absence of hazardous substances, supporting safe and sustainable industrial use. The manufacturing process follows rigorous quality controls for thread pitch (0.5 mm) and drive size (2 mm hex), delivering reliable performance in diverse applications.