S-90190A144 Length 1/4" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, extending service life in demanding industrial environments
• Effortless installation through thread-forming design that creates strong, permanent threads without pre-tapping in sheet metal
• Enhanced driving efficiency with Phillips No. 2 drive and pan head design, providing excellent torque transfer and flush seating
• Maximum material engagement with fully threaded shank and pointed tip for quick starting and secure fastening in thin materials
• Precision compatibility with No. 32 drill bits (0.116" diameter) for optimal performance in sheet metal up to 0.025" thickness
• Reliable thread retention with A/AB tapping screw type and 18 threads per inch, ensuring vibration-resistant connections
• Environmental compliance assurance meeting RoHS 3 and REACH standards for global manufacturing applications

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 the need for separate tapping operations, significantly reducing installation time and labor costs while creating strong, strip-resistant threads in base materials. The combination of Phillips drive and pan head configuration ensures reliable torque transmission and a low-profile finish that won't interfere with adjacent components. Engineered specifically for sheet metal applications requiring 0.025" maximum drilling thickness, these screws provide secure fastening in HVAC systems, electrical enclosures, automotive panels, and industrial equipment where vibration resistance and corrosion protection are critical. The fully threaded design with pointed tip facilitates quick starting and maintains consistent clamping force throughout the material thickness.

Specification Summary & Compliance

This No. 6 x 1/4" tapping screw features a 0.138" thread diameter with 18 threads per inch in right-hand direction, conforming to standard A/AB tapping screw specifications. The rounded pan head measures 0.27" in diameter with 0.097" height, providing optimal bearing surface. Manufactured to precise dimensional standards for reliable performance, these screws are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring they meet the latest international restrictions on hazardous substances for industrial and commercial applications.