S-90203A518 Length 5/8" Tapping Screws

Key Features & Benefits at a Glance

• Eliminates pre-drilling with integrated No. 3 drill tip that penetrates up to 0.15" thickness in steel and sheet metal, saving significant labor time and tooling costs.
• Superior corrosion resistance from 410 Stainless Steel construction, ensuring long-term reliability in demanding industrial environments.
• Excellent thread engagement and holding power achieved through a fully threaded, thread-forming (BSD) design that creates strong, secure fastenings in ductile materials.
• Secure, high-torque installation enabled by the No. 2 Square Drive and pan head design, preventing cam-out and allowing for efficient driving with standard tools.
• Broad material compatibility for use in steel, stainless steel, and sheet metal, making it a versatile fastener for various construction and fabrication projects.
• Compliant with major environmental regulations including RoHS 3 and REACH, ensuring they meet international standards for safe and sustainable use.
• Precise dimensional fit with a standardized pan head and consistent No. 10-16 thread for reliable, repeatable performance in assembly lines.

Professional Applications & Engineering Value

These 410 Stainless Steel self-drilling tapping screws are engineered to solve critical assembly challenges in metalworking and construction. The thread-forming BSD design and fully threaded shank displace material to create strong, wear-resistant threads without pre-tapping, significantly reducing installation time and the risk of cross-threading. The 1/4" drill tip (No. 3 type) is optimized to cleanly penetrate up to 0.15" of steel, stainless steel, and sheet metal, eliminating the need for separate drill bits and streamlining the workflow in HVAC, metal framing, and machinery assembly. This combination of self-drilling and thread-forming action ensures a vibration-resistant, durable connection that maintains integrity under stress, providing exceptional value for high-volume industrial fastening.

Specification Summary & Compliance

This fastener features a No. 10-16 thread with a 0.19" diameter and 16 threads per inch, conforming to standard BSD (Thread Forming) specifications for reliable performance. The screw is 5/8" in length with a standard pan head and No. 2 square drive. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free of restricted hazardous substances and suitable for industrial and construction applications requiring environmental adherence.