S-90390A145 12-24 x 1" Tapping Screws

Key Features & Benefits at a Glance

• Superior torque transmission with T25 Torx drive design, reducing cam-out and tool slippage for efficient installation
• Enhanced corrosion resistance through zinc-plated steel construction, extending service life in demanding industrial environments
• Optimized thread cutting performance with Type F tapping design, creating precise threads in aluminum, brass, cast iron, and sheet metal without pre-tapping
• Secure flush mounting with standard 82° flat head profile, ensuring smooth surface finish and improved aesthetics
• Reliable coarse UNC threading providing excellent holding power and vibration resistance in various materials
• Full threading along 1" length delivering maximum grip and uniform stress distribution across the entire fastener
• Environmental compliance assurance meeting RoHS 3 standards for safe, regulated industrial use

Professional Applications & Engineering Value

These 12-24 UNC thread cutting screws deliver exceptional engineering value in metal fabrication and assembly operations. The zinc-plated steel construction provides crucial corrosion protection while maintaining high tensile strength, addressing common failure points in industrial environments. The T25 Torx drive system solves the persistent problem of stripped drive heads by enabling higher torque application without slippage, significantly reducing installation time and repair costs. As Type F tapping screws with coarse UNC threading, they excel in creating strong, permanent threads in aluminum, brass, cast iron, and sheet metal applications without requiring pre-tapped holes. The combination of fully threaded design and standard 82° countersink ensures flush mounting and uniform load distribution, making them ideal for automotive, machinery, and structural assemblies where vibration resistance and clean aesthetics are critical.

Specification Summary & Compliance

These tapping screws feature precision 12-24 UNC coarse threads with standard Class 2A tolerance for consistent fit and performance. The manufacturing adheres to Type F thread cutting screw specifications with blunt tip design optimized for metal applications. Dimensional accuracy includes 0.412" head diameter and 1" length with complete threading. The product is RoHS 3 (2015/863/EU) Compliant, ensuring environmental regulatory compliance for industrial and commercial use across global markets.