S-93406A302 Length 1 1/2" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• Enhanced load distribution from the wide truss head design, reducing surface pressure and material fatigue
• Reliable thread forming technology creates strong, permanent threads in sheet metal without pre-tapping
• Optimized for sheet metal up to 0.025" thickness with precise No. 12 screw size and 3/16" drill bit compatibility
• Secure Phillips No. 3 drive engagement prevents cam-out during installation for consistent fastening
• Full 1-1/2" threading provides maximum grip length and pull-out resistance in thin materials
• Environmental compliance assurance meets RoHS 3 and REACH standards for sustainable manufacturing

Professional Applications & Engineering Value

These 18-8 stainless steel Phillips truss head tapping screws deliver exceptional performance in sheet metal applications where corrosion resistance and structural integrity are critical. The thread forming design eliminates the need for separate tapping operations, creating precise mating threads that resist vibration loosening and provide superior holding power in materials up to 0.025" thickness. The wide truss head profile distributes clamping force over a larger surface area, preventing deformation of thin-gauge metals while the fully threaded shank ensures maximum engagement throughout the fastened joint. Engineered for HVAC systems, electronic enclosures, and industrial equipment assembly, these tapping screws combine manufacturing efficiency with long-term reliability in demanding environments.

Specification Summary & Compliance

This No. 12 x 1-1/2" tapping screw features a 0.216" thread diameter with 11 threads per inch and Class 2A thread tolerances. Manufactured to standard thread forming (Type A/AB) specifications for sheet metal applications, it requires a 3/16" (0.1875") drill bit for proper installation. The screw is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial sectors while maintaining consistent dimensional accuracy and performance characteristics.