The Irwin 8158ZR Hanson Fractional Tap is a high carbon steel hand tap designed for general-purpose threading and tapping in a wide variety of materials. This 3/4-10 NC (National Coarse) plug tap is ideal for routine maintenance, repair work, rethreading, and hand threading applications where precision is not critical. The straight flute design provides rapid chip removal for efficient threading.
Whether you’re a professional mechanic, tradesperson, or DIY enthusiast, this fractional tap is a reliable addition to any toolbox. It handles everyday threading tasks with confidence, making it well-suited for machinery repair, bolt rethreading, and general maintenance projects across many industries and materials.
Features and Benefits
- High Carbon Steel Construction: Durable material provides strength and longevity for various threading tasks and repeated use.
- 4 Straight Flutes: Ground flute design provides rapid chip removal for efficient threading.
- 3/4-10 NC Size: National Coarse thread specification makes this tap suitable for a broad range of common applications and standard bolt sizes.
- Plug Tap Design: Can be used in hand or machine applications for threading holes in a variety of materials.
- Class 2B Thread: Produces quality threads suitable for general-purpose fastening and repair work where tight tolerances are not required.
Specifications
- Brand: Irwin
- Model: 8158ZR
- Type: Hanson Fractional Plug Tap
- Size: 3/4-10 NC (National Coarse)
- Thread Class: 2B
- Flutes: 4, straight flute design
- Material: High Carbon Steel (HCS)








