S-90315A406 Length 5/8" Tapping Screws

Key Features & Benefits at a Glance

• Corrosion-resistant 18-8 stainless steel ensures long-lasting durability in harsh industrial environments, reducing replacement costs and maintenance downtime.
• Thread forming Type A/AB design creates strong, secure threads in sheet metal without pre-tapping, saving time and labor during assembly.
• Oval head with 82° countersink angle provides a flush, professional finish that minimizes snagging and improves aesthetic appeal in visible applications.
• Phillips drive (No. 1 size) allows for efficient installation with common tools, enhancing workflow speed and reducing driver slippage.
• Fully threaded 5/8" length offers maximum grip and holding power in materials up to 0.025" thickness, ensuring reliable fastening in sheet metal.
• Precision No. 44 drill bit compatibility (0.086" diameter) ensures accurate pilot holes for optimal thread engagement and reduced material stress.
• RoHS 3 and REACH compliance guarantees environmental safety and regulatory adherence for global supply chain integration.

Professional Applications & Engineering Value

This No. 4 x 5/8" stainless steel oval head tapping screw is engineered to address common challenges in sheet metal fabrication, where vibration resistance and material integrity are critical. The 18-8 stainless steel composition provides excellent corrosion resistance, ideal for outdoor equipment, HVAC systems, and electronic enclosures exposed to moisture. Its thread forming Type A/AB technology eliminates the need for separate tapping operations, reducing assembly time and preventing thread stripping in thin-gauge metals. The oval head design with Phillips drive ensures a secure, flush fit that withstands dynamic loads, while the precise 82° countersink angle allows for seamless integration in countersunk holes, enhancing structural stability and professional finish in high-volume production environments.

Specification Summary & Compliance

This screw adheres to standard inch measurements with a thread diameter of 0.112" and 24 threads per inch, ensuring compatibility with common sheet metal applications. It meets industry standards for thread forming tapping screws (Type A/AB) and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting sustainable and safe manufacturing practices.