S-90485A260 Length 1/2" Tapping Screws

Key Features & Benefits at a Glance

• Superior holding power in plastic materials thanks to the tri-lobe shank cross-section that displaces material to create durable, vibration-resistant threads.
• Excellent corrosion resistance provided by 18-8 Stainless Steel construction, ensuring long-term reliability in various environments.
• Efficient, flush-mount installation with a standard 82° flat head and Phillips No. 2 drive, allowing for a clean finish and easy driving with common tools.
• Reliable thread-forming performance with a blunt tip and TRS (Thread Rolling Screw) design that forms strong internal threads without creating chips, ideal for plastic applications.
• Wide compatibility and precise fit with a No. 8 screw size, 1/2" length, and standard 16 threads per inch, ensuring consistent performance in pre-drilled holes (recommended No. 29 drill bit).
• Compliance with stringent environmental standards, including RoHS 3 and REACH, making them suitable for regulated industries and global supply chains.

Professional Applications & Engineering Value

These 18-8 Stainless Steel Phillips Flat Head Tapping Screws are engineered to solve common fastening challenges in plastic assembly. The TRS thread-forming method and tri-lobe shank design eliminate the risk of material cracking and strip-out by cold-forming threads that provide superior pull-out and torque-out resistance. This is critical in applications where vibration or thermal cycling can loosen standard screws. The corrosion-resistant material ensures integrity in humid or demanding conditions, while the flat head with an 82° countersink offers a secure, flush fit that prevents snagging and maintains a professional appearance. Ideal for electronics enclosures, automotive trim, and consumer products, these screws deliver reliable, long-lasting joints without the need for inserts or adhesives.

Specification Summary & Compliance

This product adheres to standard inch system dimensions, featuring a No. 8 screw size with a 0.164" thread diameter and 16 threads per inch. The fully threaded design and right-hand thread direction ensure consistent engagement. Manufacturing and material compliance include conformity with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted hazardous substances and supporting use in environmentally conscious projects.