S-90054A249 Length 1 1/4" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding industrial environments
• Exceptional thread retention through thread forming technology that creates stronger, more vibration-resistant connections in sheet metal
• Versatile installation options with combined external hex/slotted drive for both wrench and screwdriver applications
• Enhanced load distribution from the integrated flange design that prevents pull-through and reduces surface damage
• Optimized for thin materials with pointed tip and precise threading for clean starts in sheet metal up to 0.025" thickness
• Reliable dimensional consistency with No. 10-12 thread specifications ensuring proper fit with standard No. 21 drill bits
• Environmental compliance assurance meeting RoHS 3 and REACH standards for safe use in regulated industries

Professional Applications & Engineering Value

These zinc-plated steel hex head tapping screws deliver exceptional engineering value in sheet metal fabrication and assembly operations. The thread forming technology eliminates the need for pre-tapped holes while creating stronger, more durable threads that resist loosening under vibration - a critical advantage in automotive, HVAC, and electrical enclosure applications. The fully threaded pointed tip ensures quick starts and smooth penetration through metal sheets up to 0.025" thickness, while the external hex/slotted drive provides installation flexibility for both high-torque assembly lines and field maintenance. The combination of flanged design and precise No. 10-12 threading distributes clamping force evenly, preventing material distortion in thin-gauge metals where traditional fasteners might cause damage.

Specification Summary & Compliance

This No. 10 tapping screw features precise inch system dimensions with 0.19" thread diameter, 12 threads per inch, and 1-1/4" length. Manufactured to industry standards for thread forming tapping screws (Type A/AB) with right-hand threading and Class 2A fit tolerance. Compatible with standard No. 21 drill bits (0.159" diameter) for optimal performance in sheet metal applications. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for industrial use.