Brand Name: irwin | Length: 2.25-in. | Material: high-carbon-steel | Metric or SAE: sae | Number in Package: 5-pc. | Packaging Type: bulk | Sub Brand: hanson | Thread Type: nc | Usage: cutting-5-40nc-threads | Number of Flutes: 3 | Tap Size: 5-40nc Ideal for routine maintenance, repair work and for | Designed for hand threading work in a variety of materials | Taps produce a class 2B thread | 3 flutes | Self-aligning tap