S-90417A135 Length 3/4" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with Black-Oxide Steel coating, extending service life in demanding environments
• Excellent thread-forming capability through Tri-Lobe shank design, creating strong, permanent threads in plastic materials without chipping
• Reliable installation performance with Phillips No. 2 drive system, preventing cam-out and ensuring consistent torque application
• Maximum holding power achieved through fully threaded design and precise 16 TPI thread pitch for secure plastic fastening
• Optimized plastic compatibility with blunt tip and thread forming action, minimizing stress cracking in plastic components
• Industry-standard compliance meeting RoHS 3 and REACH regulations for safe use in industrial applications
• Pre-engineered installation with recommended No. 23 drill bit size (0.154") for perfect fit and optimal performance

Professional Applications & Engineering Value

These TRS thread forming screws deliver exceptional engineering value in plastic fastening applications where material integrity is critical. The Black-Oxide Steel construction provides essential corrosion protection while the unique Tri-Lobe shank cross-section displaces plastic material during installation, creating strong, load-bearing threads without generating chips or debris. This thread forming method eliminates the risk of plastic cracking common with traditional tapping screws, making them ideal for plastic assembly in automotive components, electronic enclosures, and consumer products. The Phillips drive system ensures reliable installation with standard tools, while the pan head design offers a low-profile finish suitable for various industrial applications.

Specification Summary & Compliance

This No. 8 x 3/4" screw features a 0.164" thread diameter with 16 threads per inch and fully threaded Tri-Lobe shank design. Manufactured to precise dimensional standards with right-hand threading and standard pan head profile (0.322" diameter, 0.115" height). The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting current environmental and safety regulations for industrial fastener applications.