S-90485A290 Length 1" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction for long-lasting performance in demanding environments
• Exceptional holding power in plastic materials thanks to the Tri-Lobe shank design that prevents loosening under vibration
• Efficient thread forming action creates strong, permanent threads in plastic without pre-tapping
• Reliable Phillips drive engagement with No. 2 size for secure installation and reduced cam-out risk
• Optimized plastic fastening performance with standard 82° countersink angle for flush mounting
• Full thread coverage along the 1" length ensures maximum grip strength throughout the fastened joint
• Environmental compliance assurance meeting RoHS 3 and REACH standards for sustainable manufacturing

Professional Applications & Engineering Value

These No. 8 TRS tapping screws deliver exceptional engineering value for plastic assembly applications where vibration resistance and long-term reliability are critical. The 18-8 Stainless Steel material provides excellent corrosion resistance, making these thread forming screws ideal for outdoor equipment, electronic enclosures, and automotive plastic components. The unique Tri-Lobe shank cross-section displaces plastic material during installation, creating superior holding power that prevents back-out under dynamic loads. The Phillips flat head design with standard profile ensures flush mounting while the fully threaded construction maximizes engagement in various plastic thicknesses. This combination of features solves common plastic fastening challenges including strip-out, vibration loosening, and material degradation.

Specification Summary & Compliance

These TRS tapping screws feature precise 0.164" thread diameter with 16 threads per inch and standard flat head profile with 82° countersink angle. The screws are manufactured to thread forming standards with right-hand threading and blunt tip design optimized for plastic materials. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring they meet current industry standards for hazardous substance restrictions.