S-90056A310 Length 1/2" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
• Efficient thread forming action creates strong, permanent threads in sheet metal without requiring pre-tapped holes
• Optimized drive engagement with Phillips No. 3 drive provides reliable torque transmission and reduces cam-out
• Full threading design ensures maximum grip length and uniform stress distribution along the entire fastener
• Precision pan head profile offers excellent bearing surface and streamlined appearance for finished assemblies
• Environmental compliance with RoHS 3 standards ensures safe use in regulated industries and applications
• Simplified installation with recommended 5.5mm drill bit size for precise hole preparation and secure fastening

Professional Applications & Engineering Value

These 1/4"-14 zinc-plated steel tapping screws deliver exceptional performance in sheet metal applications where reliability and durability are paramount. The Type B thread forming design eliminates the need for separate tapping operations, reducing assembly time and costs while creating strong, vibration-resistant connections. The zinc-plated steel construction provides essential corrosion protection for industrial environments, while the Phillips No. 3 drive ensures consistent installation torque. The fully threaded configuration maximizes pull-out strength and distributes clamping force evenly, making these thread forming screws ideal for HVAC systems, electrical enclosures, automotive components, and machinery assemblies where sheet metal fastening is critical.

Specification Summary & Compliance

These tapping screws feature precision 1/4"-14 thread with right-hand direction and fully threaded design for consistent performance. Manufactured to exacting standards with Class 2A thread tolerances ensuring proper fit and function. The screws comply with RoHS 3 (2015/863/EU) environmental regulations and are engineered for use with standard 5.5mm drill bits (0.2165") for optimal hole preparation. The pan head design with 0.492" diameter and 0.175" height provides reliable clamping performance in various sheet metal applications.