S-93847A133 Length 1 1/4" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 410 stainless steel construction for long-lasting performance in harsh industrial environments
• Self-drilling capability with No. 2 drill tip eliminates pre-drilling requirements, reducing installation time and labor costs
• Enhanced thread engagement through thread forming design creates stronger, more reliable connections in steel and sheet metal
• Optimized head design with oval profile and 82° countersink provides flush finishing and improved aesthetic appearance
• Maximum penetration capacity of 0.1" thickness ensures reliable performance in various metal fabrication applications
• Industry-compliant manufacturing meets RoHS 3 and REACH environmental standards for safe, sustainable operations
• Secure Phillips drive system with No. 2 drive size enables efficient installation and prevents stripping during torque application

Professional Applications & Engineering Value

These No. 8 x 1-1/4" 410 stainless steel oval head tapping screws deliver exceptional engineering value in metal fabrication and construction applications. The thread forming BSD design creates permanent, vibration-resistant threads in steel and sheet metal without requiring pre-tapped holes, significantly reducing assembly time and labor costs. The fully threaded construction ensures maximum grip length and load distribution, while the No. 2 drill tip penetrates up to 0.1" thickness, making them ideal for HVAC systems, electrical enclosures, and structural metal framing. The 410 stainless steel material provides excellent corrosion resistance in demanding environments, and the oval head profile with Phillips drive offers both aesthetic appeal and practical installation benefits for professional contractors and manufacturers.

Specification Summary & Compliance

This tapping screw features precise dimensional specifications including a 0.164" thread diameter with 18 threads per inch and right-hand threading. The BSD thread forming design ensures reliable performance in steel and sheet metal applications, while the standard oval head profile with 82° countersink angle provides proper seating. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe and sustainable operation in industrial settings. The combination of 410 stainless steel construction and thread forming technology delivers consistent performance meeting industry standards for metal fastening applications.