S-99397A009 Length 3 mm Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ensuring long-term reliability in humid or demanding industrial environments.
• Enhanced torque transmission and reduced cam-out thanks to the Torx Plus IP5 drive, allowing for higher tightening precision and tool longevity.
• Secure, vibration-resistant fastening in plastics due to the thread forming (TRS) design and Tri-Lobe shank, which creates strong threads without chips.
• Consistent, reliable performance with fully threaded M1.59 x 3mm dimensions and standard 0.6mm pitch, ensuring uniform clamping force.
• Broad material compatibility for various plastic types, facilitated by the blunt tip and thread forming method that minimizes stress cracking.
• Streamlined assembly process with the rounded pan head profile, providing a low-profile finish and easy installation in tight spaces.
• Compliance with strict environmental standards including RoHS 3 and REACH, making it suitable for global industrial and electronics applications.

Professional Applications & Engineering Value

This M1.59 x 3mm Torx Plus TRS tapping screw is engineered to address common challenges in plastic assembly, such as strip-out, vibration loosening, and material fatigue. The 18-8 stainless steel offers excellent strength and corrosion resistance, while the thread forming (TRS) technology and Tri-Lobe shank cross-section displace plastic material to form precise, durable threads without creating debris. This design reduces the risk of cracking in brittle plastics and ensures a tight, reliable fit in applications like electronics enclosures, automotive components, and consumer devices. The Torx Plus IP5 drive enhances torque efficiency, minimizing wear on tools and fasteners during high-volume production, making it an ideal choice for automated or manual assembly lines requiring repeatable, secure fastening.

Specification Summary & Compliance

This screw features a metric M1.59 size with 3mm length, fully threaded right-hand threads, and an approximate 0.6mm pitch for consistent engagement. It complies with standard thread forming (TRS) specifications for use in plastics, with a recommended drill bit size #54 (0.055"). The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety requirements for industrial use.