S-93406A144 Length 1/4" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments and outdoor applications.
• Enhanced load distribution from the wide truss head design, reducing the risk of material pull-through in thin sheet metal.
• Efficient, self-tapping installation with thread forming (Type A/AB) technology, eliminating the need for pre-tapped holes and speeding up assembly.
• Secure, cam-out resistant driving provided by the No. 2 Phillips drive, ensuring reliable torque transfer and reducing tool slippage.
• Full-length threading for maximum grip and holding power along the entire 1/4" length in sheet metal up to 0.025" thick.
• Precision 18 TPI thread profile ensures tight, secure fastening and excellent vibration resistance in metalworking applications.
• Compliance with major environmental regulations including RoHS 3 and REACH, ensuring safety and suitability for global supply chains.

Professional Applications & Engineering Value

This No. 6 x 1/4" Phillips Truss Head Tapping Screw is engineered to address common challenges in sheet metal fabrication and assembly. The 18-8 Stainless Steel material provides excellent resistance to rust and corrosion, extending service life in demanding conditions. Its thread forming (Type A/AB) design creates strong, clean threads in pre-drilled holes (recommended drill bit: No. 32), minimizing stress on the sheet metal and preventing cracking or stripping. The wide truss head offers a larger bearing surface, distributing clamp load effectively to secure thin-gauge materials without deformation. This combination of corrosion-resistant properties and efficient installation makes it a reliable choice for HVAC systems, electronic enclosures, automotive panels, and other industrial fastening tasks where durability and precision are critical.

Specification Summary & Compliance

This screw features a No. 6 size with a 0.138" thread diameter and 18 TPI fully threaded shank, adhering to standard inch measurements for consistent performance. The Phillips Truss Head design includes a No. 2 drive size and a rounded, wide profile for secure fastening. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for use in regulated industries. Manufactured for use in materials up to 0.025" thickness with a recommended No. 32 drill bit (0.116" diameter), this fastener meets typical industrial standards for tapping screws in sheet metal applications.