S-90054A148 Length 1/2" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding industrial environments
• Enhanced fastening security through the integrated 0.328" flange that distributes load evenly and prevents pull-through
• Optimized for sheet metal applications with thread forming technology that creates strong, permanent threads without chips
• Dual-drive versatility with external hex/slotted head for flexible installation using various tools
• Maximum thread engagement with fully threaded design ensuring consistent holding power along the entire 1/2" length
• Precision installation with pointed tip and No. 32 drill bit compatibility for accurate positioning in 0.025" maximum thickness materials
• Reliable performance with right-hand threading and 18 TPI specification for secure, vibration-resistant connections

Professional Applications & Engineering Value

These zinc-plated steel tapping screws deliver exceptional value in sheet metal fabrication and assembly operations. The thread forming design eliminates chip generation during installation, preventing contamination in sensitive electrical and HVAC systems. The flanged hex head provides superior clamping force distribution, reducing material stress and preventing deformation in thin-gauge metals. With their external hex/slotted drive, these screws accommodate both power and manual tools, streamlining production workflows. The combination of fully threaded construction and pointed tip ensures rapid starts and consistent penetration, making them ideal for high-volume manufacturing environments where reliability and installation speed are critical.

Specification Summary & Compliance

Manufactured to precise inch system specifications with Class 2A thread tolerances, these No. 6-18 TPI tapping screws feature a 1/4" head width and 0.118" head height for standardized tool compatibility. The thread forming (Type A/AB) design meets industry standards for sheet metal fastening applications. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental safety and material transparency for industrial use.