Irwin Hanson 1561 Bottoming Tap 7/8-9 NC High Carbon Steel

The Irwin Hanson 1561 is a high carbon steel bottoming tap designed for hand tapping applications in 7/8"-9 NC (National Coarse) thread size. This tap features precision ground straight flutes that provide rapid chip removal for efficient threading, making it ideal for general-purpose threading work and routine maintenance.

Key Features:

• Bottoming tap design with 1 to 1-1/2 threads chamfered for threading to the bottom of blind holes
• High carbon steel construction optimized for hand tapping applications
• Precision ground straight flutes for efficient chip removal
• Produces a Class 2B thread tolerance
• Tap size and recommended drill bit size etched on tool for easy identification
• Made in USA with Hanson quality standards

This bottoming tap is ideal for tough threading work, repair jobs, and re-threading applications where threads must extend to the bottom of the hole. Perfect for general maintenance and repair work where high accuracy threading is not critical.