S-94425A530 Length 3/4" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, ensuring long-lasting performance in demanding industrial environments.
• Efficient self-drilling installation with a drilling tip (No. 2 type), eliminating the need for pre-drilling and speeding up assembly in steel and sheet metal up to 0.098" thick.
• Vibration-resistant locking provided by the serrated flange, maintaining a secure and reliable hold under dynamic loads.
• High-torque capability with the T20 external hex/Torx drive, allowing for precise installation and reduced risk of stripping.
• Optimal thread engagement through fully threaded design and 18 TPI precision, delivering strong, consistent fastening in thread-forming applications.
• Enhanced load distribution from the 0.37" flange diameter, minimizing surface damage and improving joint integrity.
• Broad compatibility with BSD standard thread-forming screws, making them ideal for various steel and sheet metal fastening tasks.

Professional Applications & Engineering Value

Engineered for robust performance in steel and sheet metal applications, these No. 8-18 zinc-plated steel tapping screws address common industrial challenges such as time-consuming pre-drilling and fastener loosening. The thread-forming design with a drilling tip allows for quick, one-step installation, reducing labor costs and enhancing workflow efficiency. Combined with a serrated locking flange and fully threaded shank, they provide exceptional resistance to vibration and pull-out, ensuring reliable fastening in HVAC, automotive, and machinery assemblies. The external hex/Torx drive (T20) offers superior torque transmission, minimizing tool slippage and improving installation precision for long-term structural integrity.

Specification Summary & Compliance

This No. 8-18 x 3/4" tapping screw features a 0.164" thread diameter with 18 TPI precision threading, conforming to BSD standards for thread-forming screws. Manufactured from zinc-plated steel, it ensures consistent performance and meets industry requirements for dimensional accuracy. The product is designed for right-hand threading and is fully compliant with RoHS and REACH environmental regulations, supporting safe and sustainable industrial use.