CHICAGO-LATROBE Tap Kit: #1-72 UNC, H1 / 3B, 2 Flute

This three-piece hand tap set is used for creating #1-72 UNC internal threads in metal. It includes taper, plug, and bottoming taps for progressive threading. Common applications include precision machining, toolmaking, and maintenance work where fine threads are required.

The kit includes one each taper, plug, and bottoming tap. It is designed for #1-72 UNC threads with a 3B class fit. The taps are 2-flute, high-speed steel construction. The manufacturer part number is 173205. This set covers progressive threading stages.

3G Electric supplies the CHICAGO-LATROBE Tap Kit 173205 worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We source and deliver this precision threading set globally.

For #1-72 UNC threads, use this three-piece set: start with the taper tap for initial threading, follow with the plug tap for deeper threads, and finish with the bottoming tap for threads close to the hole bottom. Ensure the tap matches the thread class (3B) and material (high-speed steel for general metalwork).