Irwin Hanson 1420 1/4-20 NC Plug Tap High Carbon Steel

The Irwin Hanson 1420 is a high-quality plug tap designed for creating 1/4-20 NC (National Coarse) threads in a variety of materials. Manufactured from high carbon steel, this fractional plug tap is ideal for hand tapping applications in routine maintenance, repair work, and general-purpose threading projects.

Key Features:

• Precision ground straight flutes provide rapid chip removal for efficient threading performance
• Plug style with 3 to 5 threads chamfered for versatile threading applications
• Produces Class 2B threads meeting standard specifications
• Tap size and recommended drill bit size etched on tool for easy identification
• High carbon steel construction optimized for hand tapping operations
• Made in USA with Hanson quality and precision

The plug tap design makes this the most common and versatile tap style, suitable for through holes and blind holes with sufficient depth. Ideal for tough threading work where high accuracy and tight tolerance threads are not critical. Perfect for general maintenance, repair applications, and re-threading operations.