The Irwin 8144 Fractional Tap is a carbon steel hand threading tool designed for routine maintenance, repair work, and rethreading applications where high accuracy and tight tolerances are not critical. This plug tap features a 1/2-inch by 13 NC (National Course) thread size and is ideal for threading work in a variety of materials by hand, making it a reliable choice for both DIY and professional repair projects.
With its four straight flutes ground for rapid chip removal, this tap delivers efficient threading performance. The carbon steel construction produces a Class 2B thread.
Features and Benefits
- Four Straight Flutes: Ground to provide rapid chip removal for efficient threading in a variety of materials.
- Carbon Steel Construction: Durable HCS (high carbon steel) material that produces Class 2B threads.
- Plug Tap Design: Ideal for starting new threads and general-purpose threading tasks in a wide range of materials.
- Hand Threading Capable: Designed specifically for manual threading operations, making it accessible for routine shop and field work without powered equipment.
- Class 2B Thread Production: Produces threads for applications where high accuracy and tight tolerance are not critical.
Specifications
- Brand: Irwin
- Model: 8144
- Thread Size: 1/2 inch – 13 NC (National Course)
- Tap Type: Plug tap
- Flutes: 4 straight flutes
- Material: Carbon steel (HCS)
- Thread Class: 2B
- Recommended Drill Bit: 27/64 inch
How to Use
Use this tap for hand threading work in applications where high accuracy and tight thread tolerance are not critical.
