- Ideal for routine maintenance, repair work and for re-threading where high accuracy and tolerance thread is not critical
- Straight flutes are ground to provide rapid chip removal for efficient threading
- Designed for hand threading work in a variety of materials
- Taps produce a class 2B thread
![Irwin® Fractional Taps (HCS), 1/4"-28 NF, Chamfer - 3 to 5 Threads, #IR-1423ZR (5/Pkg) Irwin® Fractional Taps (HCS), 1/4"-28 NF, Chamfer - 3 to 5 Threads, #IR-1423ZR (5/Pkg)](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/275768/448317/IR-1118__87240.1668799360.jpg?c=2)