S-96710A413 4-40 x 5/8" ASME B18.6.3 Stainless Steel Pan Head Torx Plus Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel and Passivated finish, ideal for harsh industrial environments
• High-strength, wear-resistant construction with Rockwell B55 hardness for reliable, long-lasting performance
• Precise, secure fastening ensured by Class 3A thread fit and UNC coarse thread spacing, reducing assembly errors
• Enhanced torque transmission and reduced cam-out with Torx Plus IP10/T10 drive for efficient installation
• Full thread coverage along the 5/8" length provides maximum grip and uniform load distribution
• Standard-compliant design meeting ASME B18.6.3 specifications for consistent quality and interchangeability
• Environmentally responsible manufacturing with RoHS 3 and REACH compliance, supporting sustainable procurement

Professional Applications & Engineering Value

This 4-40 UNC Torx Plus Pan Head Screw is engineered to address critical challenges in precision assembly and demanding industrial settings. The 18-8 Stainless Steel material, combined with a Passivated finish, delivers exceptional resistance to corrosion and oxidation, making it suitable for applications in electronics, machinery, and outdoor equipment where environmental exposure is a concern. The Torx Plus drive system (IP10/T10) minimizes tool slippage and enables higher torque application, reducing the risk of fastener damage during installation. With a Class 3A thread fit and fully threaded design, it ensures tight, reliable connections in high-vibration environments, enhancing the durability and safety of assembled components. Ideal for rounded head screw applications requiring both aesthetic appeal and functional reliability, this screw supports efficient production lines and reduces maintenance needs.

Specification Summary & Compliance

This product features a 4-40 UNC coarse thread with Class 3A precision fit, ensuring tight tolerances and reliable performance in inch-based systems. It adheres to ASME B18.6.3 manufacturing standards for dimensional accuracy and interchangeability. The screw is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in regulated industries and commitment to environmental standards.