S-99461A953 Length 12 mm Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction for long-lasting performance in various environments
• Efficient thread forming with TRS design that creates strong, reliable threads in plastic materials without pre-tapping
• Optimized drive engagement through Phillips No. 1 drive style for secure installation and reduced cam-out risk
• Enhanced material compatibility with fully threaded M3.5 design and 1.57mm pitch for maximum holding power in plastic applications
• Streamlined installation process using standard No. 34 drill bits (0.111") for precise hole preparation
• Secure fastening performance with rounded pan head design providing excellent bearing surface and professional finish
• Environmental compliance assurance meeting RoHS 3 and REACH regulations for safe use in regulated industries

Professional Applications & Engineering Value

These M3.5 TRS thread forming screws deliver exceptional engineering value in plastic fastening applications where material integrity and reliable performance are critical. The 18-8 stainless steel construction provides excellent corrosion resistance while the thread forming design eliminates the need for separate tapping operations, reducing assembly time and costs. The fully threaded configuration with precise 1.57mm pitch ensures maximum thread engagement in plastic substrates, preventing stripping and maintaining secure fastening even in vibration-prone environments. The Phillips No. 1 drive combined with the rounded pan head offers optimal installation control and a clean, professional appearance ideal for consumer electronics, automotive components, and industrial equipment where plastic-to-plastic or plastic-to-metal connections require durable, long-lasting fastening solutions.

Specification Summary & Compliance

These metric TRS tapping screws feature M3.5 diameter with 12mm length and 1.57mm thread pitch, designed for thread forming applications in plastic materials. The screws maintain standard dimensional accuracy for reliable performance and are manufactured from 18-8 stainless steel with Phillips No. 1 drive and pan head configuration. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for industrial applications requiring certified components.