S-94058A543 Length 1 1/4" Tapping Screws

Key Features & Benefits at a Glance

• Eliminates pre-drilling requirements with integrated No. 3 drill tip that penetrates up to 0.21" thickness in stainless steel and sheet metal
• Superior corrosion resistance through zinc-plated 410 stainless steel construction for extended service life in harsh environments
• Reliable sealing performance with integrated stainless steel/rubber washer that prevents moisture ingress and maintains joint integrity
• Enhanced installation efficiency through external hex drive design that provides secure tool engagement and high torque capability
• Strong thread-forming capability with BSD tapping screw design that creates durable, vibration-resistant threads in base materials
• Full-length thread engagement ensures maximum holding power and uniform stress distribution across the entire fastener length
• Industry-standard compatibility with 1/4"-14 thread specification for seamless integration into existing assemblies and equipment

Professional Applications & Engineering Value

This heavy-duty tapping screw delivers exceptional value in demanding industrial applications where corrosion resistance and sealing integrity are critical. The zinc-plated 410 stainless steel construction provides superior protection against environmental factors, while the thread forming design eliminates the need for tapped holes, reducing installation time and labor costs. The integrated stainless steel/rubber sealing washer creates a reliable barrier against moisture, dust, and contaminants, making it ideal for sheet metal assemblies, HVAC systems, and outdoor equipment. The combination of drilling tip technology and external hex drive ensures quick, secure installation in stainless steel applications without compromising material integrity or requiring additional processing steps.

Specification Summary & Compliance

This BSD tapping screw features precision 1/4"-14 right-hand threads with standard inch system measurements and fully threaded design for consistent performance. The fastener meets industry standards for thread forming screws and incorporates a flat washer configuration with 5/8" outer diameter. Manufactured from 410 stainless steel with zinc plating for enhanced corrosion protection, this screw is suitable for various industrial applications requiring reliable fastening solutions in challenging environments.