S-94060A940 Length 4" Tapping Screws

Key Features & Benefits at a Glance

• Eliminates Pre-Drilling: Integrated drill tip penetrates up to 0.22" thick steel and sheet metal, saving labor time and reducing tooling requirements.
• Superior Corrosion Resistance: Zinc-plated steel construction provides durable protection against rust in demanding industrial environments.
• High-Strength Thread Forming: BSD type threads create strong, permanent fastenings in metal substrates with excellent vibration resistance.
• Optimized Drive Engagement: No. 3 Phillips drive ensures secure bit engagement and reduces the risk of cam-out during high-torque installation.
• Full-Length Threading: 4" fully threaded design maximizes grip range and provides consistent clamping force along the entire fastener length.
• Standard Pan Head Profile: Rounded head with 0.492" diameter offers a balanced bearing surface for secure fastening without sinking.
• Regulatory Compliance: Meets RoHS 3 standards, ensuring safe use in various industrial applications without hazardous substances.

Professional Applications & Engineering Value

These 1/4"-14 zinc-plated steel tapping screws deliver exceptional value in metal fabrication and assembly operations. The thread forming design with BSD type threads creates precise, high-strength connections in steel and sheet metal without tapping operations. The precision drill tip (No. 3 type) eliminates the need for separate drilling steps, significantly reducing installation time and labor costs in high-volume production environments. The zinc-plated steel construction ensures reliable performance in conditions where moisture and environmental factors could compromise fastener integrity. With fully threaded 4" length and Phillips drive compatibility, these screws provide versatile fastening solutions for HVAC systems, electrical enclosures, automotive components, and industrial equipment assembly where vibration resistance and long-term reliability are critical.

Specification Summary & Compliance

These tapping screws feature a 1/4"-14 thread diameter with right-hand threading and thread forming tapping method. The screws maintain standard dimensional tolerances with a 0.492" head diameter and 4" fully threaded length. Manufactured to BSD screw specifications with No. 3 Phillips drive and standard pan head profile. The product is fully RoHS 3 (2015/863/EU) compliant, meeting international environmental standards for industrial applications.