S-90344A141 M3 x 10 mm ASTM A574 Socket Head Screws with Flat Washer

Key Features & Benefits at a Glance

• Exceptional Durability – Black-oxide alloy steel construction with Rockwell C39 hardness ensures long-lasting performance in demanding industrial environments.
• Superior Load Distribution – Integrated flat washer spreads clamping force evenly, reducing surface damage and improving joint integrity.
• High Tensile Strength – Rated at 170,000 psi for reliable fastening under high-stress conditions without failure.
• Precision Thread Fit – Class 6g coarse threads provide secure, vibration-resistant connections with easy assembly.
• Corrosion Resistance – Black-oxide surface treatment offers enhanced protection against rust and wear in harsh applications.
• Standard Hex Drive Compatibility – 2.5 mm hex socket allows for quick installation with common tools, minimizing assembly time.
• Regulatory Compliance – Meets ASTM A574, RoHS 3, and REACH standards, ensuring safety and environmental responsibility.

Professional Applications & Engineering Value

This M3 socket head cap screw is engineered to address critical challenges in industrial assembly, such as vibration loosening and material fatigue. The black-oxide alloy steel provides excellent corrosion resistance, making it ideal for machinery, automotive, and electronics where exposure to moisture or chemicals is common. Its fully threaded design and Class 6g thread fit ensure consistent clamping force, while the integrated flat washer distributes load effectively to prevent surface indentation. With a coarse thread pitch of 0.5 mm, it enables rapid installation and disassembly, reducing downtime in production lines. These features make it a reliable choice for high-strength applications requiring precision and durability.

Specification Summary & Compliance

This screw features a metric thread size M3 x 0.5 mm pitch with Class 6g tolerance for precise fit, and is fully threaded for uniform engagement. It complies with ASTM A574 specifications for high-strength fasteners, ensuring consistent quality. Additionally, it is RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, meeting environmental and safety regulations for industrial use.