8123 Hanson Fractional Tap, 1/4 In.-28 NF, 4-Flute, HCS

The Irwin 8123 Hanson Fractional Tap is a high carbon steel hand threading tool designed for routine maintenance, repair work, and rethreading applications where general-purpose tolerance is acceptable. This 1/4 In.-28 National Fine (NF) thread tap features four precision-ground straight flutes that remove chips quickly and efficiently during the threading process, making it ideal for hand threading work in a variety of materials.

Whether you're performing routine maintenance on machinery, completing repair work, or rethreading damaged holes, this fractional tap delivers reliable results. The Class 2B thread it produces is well-suited for applications where high accuracy and tight tolerance are not critical requirements. The straight-flute design provides rapid chip evacuation, supporting efficient threading action.

Features and Benefits

• 4-Flute Plug Tap Design: Four straight flutes are precision-ground to remove chips quickly for efficient threading action.
• High Carbon Steel Construction: The HCS body provides strength and resilience needed for hand threading work.
• Class 2B Thread Production: Produces Class 2B threads suitable for routine maintenance, repair work, and rethreading applications.
• Versatile Material Compatibility: Designed to work in a wide range of materials for flexible use across different projects and repairs.
• Hand Threading Tool: Engineered specifically for manual threading operations without requiring powered equipment.

Specifications

• Brand: Irwin
• Model: 8123
• Thread Size: 1/4 In. - 28 NF (National Fine)
• Tap Type: Plug tap, 4-flute
• Material: High carbon steel (HCS)
• Thread Class: Class 2B
• Recommended Drill Bit: #3 or 13/64 in.