S-94058A294 Length 3/4" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated 410 stainless steel construction, ideal for harsh industrial environments
• Integrated weatherproof sealing provided by the stainless steel/rubber washer, preventing moisture and contaminant ingress
• Self-drilling capability with a 9/32" drill tip that eliminates pre-drilling, saving time on stainless steel and sheet metal applications
• Maximum material penetration of up to 0.187" thick materials, ensuring secure fastening in demanding projects
• Enhanced driving efficiency with the external hex drive and hex head design, allowing for high torque application
• Reliable thread forming (BSD type) creates strong, permanent threads in ductile materials for vibration-resistant assemblies
• Full thread engagement along the 3/4" length delivers consistent clamping force and superior pull-out resistance

Professional Applications & Engineering Value

This No. 12-14 thread forming tapping screw is engineered to address common fastening challenges in stainless steel and sheet metal fabrication. The zinc-plated 410 stainless steel material provides excellent strength and corrosion resistance, crucial for outdoor equipment, HVAC systems, and industrial machinery exposed to corrosive elements. The integrated sealing washer combines a stainless steel rigid base with a rubber seal, creating a reliable barrier against water, dust, and air—making it ideal for enclosures and outdoor structures. The drilling tip eliminates separate drilling operations, significantly reducing installation time and labor costs while the thread forming design ensures tight, secure threads that won't loosen under vibration, providing long-term reliability in demanding industrial applications.

Specification Summary & Compliance

This tapping screw features a No. 12 size with 14 threads per inch and 0.216" thread diameter, manufactured as a fully threaded BSD type thread forming screw with right-hand threading. The external hex drive and hex head provide secure driving capability. The screw complies with RoHS 3 (2015/863/EU) regulations, ensuring environmental compliance for industrial use. The flat washer has a 0.563" outer diameter and is constructed from stainless steel and rubber for optimal sealing performance.