S-98248A270 Length 1" Tapping Screws

Key Features & Benefits at a Glance

• Eliminates pre-drilling requirements with integrated drilling tip technology that penetrates up to 0.098" aluminum thickness
• Superior material strength from 7075 aluminum alloy ensures reliable performance in demanding aluminum fastening applications
• Enhanced driving efficiency with 1/4" external hex head design providing secure tool engagement and torque transmission
• Maximum holding power through No. 8-18 fully threaded design and thread forming technology that creates strong, permanent threads
• Integrated flange design eliminates the need for separate washers while providing superior load distribution
• Optimized for aluminum assemblies with BSD thread forming specification that prevents material cracking and ensures secure fastening
• Right-hand thread configuration delivers standard installation familiarity while maintaining consistent clamping force

Professional Applications & Engineering Value

These 7075 aluminum thread forming tapping screws are engineered specifically for aluminum assembly applications where material integrity and fastening reliability are critical. The thread forming design creates permanent, high-strength threads in aluminum substrates without removing material, eliminating chip accumulation issues common in traditional tapping processes. The integrated drilling tip technology allows for direct installation without pre-drilling, significantly reducing assembly time and labor costs in high-volume production environments. The flanged hex head design combines the benefits of a washer and fastener in one component, providing excellent bearing surface distribution while the external hex drive ensures maximum torque transmission during installation. These features make them ideal for aluminum fabrication, electronic enclosures, and lightweight structural assemblies where corrosion resistance and weight reduction are essential considerations.

Specification Summary & Compliance

This thread forming tapping screw features precision No. 8-18 threads with standard right-hand threading and fully threaded configuration for consistent performance. Manufactured to BSD tapping screw specifications with Class 2A thread tolerances ensuring proper fit and function. The 1/4" hex head provides standard tool compatibility while the 0.348" flange diameter offers optimal load distribution. The drilling tip is precision-formed as Type No. 2 with 3/16" length, capable of penetrating up to 0.098" aluminum thickness. These aluminum fasteners comply with industry standards for thread forming screws and are manufactured from high-strength 7075 aluminum alloy for superior mechanical properties in demanding applications.