S-90198A051 Length 1/4" Tapping Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 316 stainless steel construction, ideal for harsh or humid industrial environments
• Superior holding power in sheet metal due to thread forming design that creates strong, permanent threads without chips
• Clean, flush installation with standard flat head profile and 82° countersink angle for smooth surface finishes
• Full-length threading ensures maximum grip and load distribution across the entire 1/4" length
• Reliable driving performance with No. 1 Phillips drive that reduces cam-out and improves installation efficiency
• Precision fit for 0.025" sheet metal with recommended No. 48 drill bit for optimal thread engagement and strength
• Compliance with strict environmental regulations including RoHS 3 and REACH for global market acceptance

Professional Applications & Engineering Value

These 316 stainless steel tapping screws deliver exceptional value in sheet metal fabrication and assembly applications where corrosion resistance and reliable fastening are critical. The thread forming technology eliminates the need for pre-tapped holes while creating stronger, more vibration-resistant connections compared to traditional cutting screws. The fully threaded design and 32 TPI fine thread pitch provide superior pull-out resistance in thin materials up to 0.025" thickness, making them ideal for electronic enclosures, HVAC components, and precision metal assemblies. The combination of Phillips drive and standard flat head profile ensures easy installation with common tools while maintaining a clean, professional appearance.

Specification Summary & Compliance

This No. 2 size tapping screw features a 0.086" thread diameter with 32 threads per inch and right-hand threading. Manufactured to standard dimensional specifications with a Class 2A thread fit for reliable performance. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for various industrial applications and international markets. Designed specifically for use with No. 48 drill bits (0.076" diameter) in sheet metal applications.