Irwin Hanson 1449 Plug Tap NF High Carbon Steel - 9/16-18

The Irwin Hanson 1449 is a 9/16-18 NF (National Fine) plug tap designed for creating internal threads in drilled holes. Constructed from high carbon steel, this hand tap is ideal for general-purpose threading applications where standard tolerances are acceptable.

Key Features:

• Precision ground straight flutes provide rapid chip removal for efficient threading performance
• Plug style chamfer (3 to 5 threads) makes it the most versatile tap type for general threading work
• Produces Class 2B threads for standard fit applications
• Tap size and recommended drill bit size etched on the tool for quick identification
• High carbon steel construction optimized for hand tapping operations
• Made in USA with Hanson quality standards

Applications:

This plug tap is ideal for routine maintenance, repair work, and re-threading applications. The plug chamfer design allows it to start easily in through holes while also being capable of threading to a moderate depth in blind holes. Perfect for automotive, industrial, and general workshop use where precision Class 2B threads are required.

Thread Specifications:

• Thread Size: 9/16-18 NF (National Fine)
• Thread Class: 2B
• Tap Style: Plug (3-5 thread chamfer)
• Material: High Carbon Steel
• Application: Hand Tapping