S-93851A153 Length 1 1/4" Tapping Screws

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with specialized coating extends service life in demanding industrial environments
• Self-drilling capability with No. 2 drill tip eliminates pre-drilling requirements, reducing installation time and labor costs
• Superior thread forming design creates strong, permanent threads in steel and sheet metal without tapping operations
• Optimized oval head profile with 82° countersink provides flush finishing and professional appearance
• Maximum material penetration capability up to 0.175" thickness for versatile steel and sheet metal applications
• Full threading along entire shank length ensures maximum grip strength and vibration resistance
• Industry-compliant manufacturing meets RoHS 3 and REACH environmental standards for global supply chain compatibility

Professional Applications & Engineering Value

These No. 10 Phillips oval head tapping screws deliver exceptional value in steel and sheet metal fabrication by combining drilling and fastening operations into a single step. The corrosion-resistant coated steel construction withstands harsh industrial environments while the thread forming BSD design creates durable, strip-resistant threads that maintain clamping force under vibration. The No. 2 drill tip with 5/16" length efficiently penetrates materials up to 0.175" thick, eliminating secondary drilling operations and reducing assembly time. The fully threaded configuration provides maximum engagement throughout the material thickness, making these tapping screws ideal for HVAC systems, electrical enclosures, and metal building components where reliability and installation efficiency are critical.

Specification Summary & Compliance

Manufactured to precise dimensional standards with 0.19" thread diameter and 16 threads per inch configuration. Features right-hand thread direction with standard oval head profile and 82° countersink angle for proper seating. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in industrial applications worldwide. The thread forming tapping method follows industry-standard BSD specifications for reliable performance in steel and sheet metal substrates.