S-94059A203 Length 1" Tapping Screws

Key Features & Benefits at a Glance

• Eliminates pre-drilling requirements with integrated drilling tip that penetrates up to 0.098" steel and sheet metal
• Superior corrosion protection through zinc-plated steel construction for extended service life in harsh environments
• Reliable sealing performance with integrated steel/rubber washer that prevents moisture and contaminant ingress
• High-strength thread forming capability using BSD tapping method creates permanent, vibration-resistant threads in base materials
• Easy installation and removal with external hex drive design providing secure tool engagement and torque transmission
• Full-thread engagement along the entire 1" length ensures maximum holding power and load distribution
• Industry-standard compatibility with No. 8-18 thread specifications for seamless integration into existing assemblies

Professional Applications & Engineering Value

This heavy-duty No. 8-18 thread forming screw delivers exceptional value in steel and sheet metal applications where reliability and efficiency are paramount. The zinc-plated steel construction combined with the integrated steel/rubber washer addresses critical industrial challenges by providing both corrosion resistance and effective sealing against environmental contaminants. The drilling tip design eliminates the time and cost associated with pre-drilling operations, while the BSD thread forming method creates strong, permanent threads that resist loosening under vibration. The external hex drive ensures secure tool engagement for consistent installation torque, making these tapping screws ideal for high-volume production environments requiring fast, reliable fastening solutions in metal fabrication, HVAC systems, and electrical enclosures.

Specification Summary & Compliance

This No. 8-18 x 1" tapping screw features precision right-hand threads with 18 TPI and 0.164" thread diameter, manufactured to industry standards for thread forming screws. The fastener maintains dimensional accuracy with fully threaded design and Class 2A thread tolerances for consistent performance. The zinc-plated steel construction and steel/rubber washer assembly comply with industrial requirements for corrosion protection and sealing performance. Manufacturing follows established quality standards for BSD tapping screws used in metal applications, ensuring reliable performance in demanding industrial settings.