S-90048A154 Length 1 1/4" Tapping Screws

Key Features & Benefits at a Glance

• Eliminates pre-tapped holes with thread forming technology, reducing installation time and tooling costs in sheet metal assembly
• Superior corrosion resistance from zinc-plated steel construction, ensuring long-term reliability in industrial environments
• Secure fastening in thin materials with maximum 0.025" drilling thickness capability and fully threaded design for consistent grip
• Optimized countersinking with 82° flat head profile for flush mounting and reduced snagging risks
• Enhanced drive stability through Phillips No. 2 drive system, minimizing cam-out during high-torque applications
• Precision thread engagement with 18 TPI and 0.138" diameter threads meeting A/AB standards for vibration-resistant connections
• Compliance-ready components meeting RoHS 3 and REACH regulations for global industrial safety standards

Professional Applications & Engineering Value

These zinc-plated steel tapping screws solve critical challenges in sheet metal fabrication and thin-material assembly. The thread forming technology creates strong, permanent threads in parent material without pre-tapping, eliminating cross-threading risks and reducing assembly labor. The fully threaded No. 6 screw with 18 TPI design ensures maximum thread engagement in materials up to 0.025" thick, providing reliable fastening where traditional screws fail. The Phillips flat head with standard profile and 82° countersink angle allows for seamless flush mounting in HVAC systems, electronic enclosures, and automotive panels. Combined with zinc-plated corrosion protection, these A/AB tapping screws deliver exceptional durability in demanding industrial environments where vibration resistance and long-term performance are critical.

Specification Summary & Compliance

Manufactured to precise inch system specifications with No. 6 screw size, 1-1/4" length, and 0.138" thread diameter. Features standard thread forming (Type A/AB) with right-hand threading and fully threaded shank. Compatible with No. 32 drill bit (0.116" diameter) for optimal hole preparation. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations for environmental safety and industrial use standards.