S-97899A400 Length 1/2" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 410 Stainless Steel construction for long-lasting performance in demanding industrial environments
• Enhanced drilling efficiency with specialized drill tip design that penetrates up to 0.098" thick steel, stainless steel, and sheet metal without pre-drilling
• Secure flange design provides wider bearing surface for improved load distribution and vibration resistance
• External hex drive enables high torque application and secure installation with standard tools
• Thread forming technology creates strong, permanent threads in base materials without chip removal
• White painted head finish offers both corrosion protection and visual identification in assembly operations
• Full regulatory compliance with RoHS 3 and REACH standards for global industrial applications

Professional Applications & Engineering Value

These No. 8 flanged hex head tapping screws are engineered to solve critical fastening challenges in metal fabrication and industrial assembly. The 410 Stainless Steel construction provides exceptional strength and corrosion resistance, while the thread forming design creates secure, vibration-resistant connections in steel, stainless steel, and sheet metal applications. The integrated drilling tip eliminates the need for separate drilling operations, significantly reducing installation time and labor costs. The flanged hex head design ensures reliable torque transmission and prevents pull-through in thin materials, making these BSD tapping screws ideal for HVAC systems, electrical enclosures, automotive components, and machinery assembly where durability and efficiency are paramount.

Specification Summary & Compliance

This No. 8 size tapping screw features a 1/2" length with 0.164" thread diameter and 18 TPI right-hand threads, manufactured to precise dimensional standards for consistent performance. The thread forming tapping method ensures reliable engagement in base materials without chip formation. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting the latest environmental and safety standards for industrial fasteners. The external hex drive and flanged design provide secure installation and optimal clamping force distribution in metal-to-metal applications.