CHICAGO-LATROBE Tap Kit: 1/4"-28 UNF, H3 / 3B, 4 Flute, TiN Coated High Speed Steel (MPN 174507)
The CHICAGO-LATROBE Tap Kit (SKU 53PW33) is a three-piece hand tap set for 1/4"-28 UNF threads, manufactured as MPN 174507. Each tap is H3 / 3B class, 4-flute, TiN coated high-speed steel. 3G Electric interprets this…
SKU 3G-OTH-319960
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Product Description
The CHICAGO-LATROBE Tap Kit (SKU 53PW33) is a three-piece hand tap set for 1/4"-28 UNF threads, manufactured as MPN 174507. Each tap is H3 / 3B class, 4-flute, TiN coated high-speed steel. 3G Electric interprets this demand and delivers genuine industrial tooling across 14 departments — with specialist depth in combustion, pumps and controls — ensuring you get the right answer, not just a catalog.
Frequently Asked Questions
What is the CHICAGO-LATROBE 174507 tap kit used for?
This three-piece hand tap set is used for creating or repairing 1/4"-28 UNF internal threads in metal components. It is suitable for maintenance, tool-and-die work, and general machining applications where precise Class 3B threads are required.
What are the specifications of the CHICAGO-LATROBE 174507 tap kit?
The kit includes three taps with 1/4"-28 UNF thread size, H3 pitch diameter limit, and 3B class fit. Each tap has 4 flutes, is made of TiN-coated high-speed steel, and is designed for hand threading. The manufacturer part number is 174507.
Where to buy the CHICAGO-LATROBE 174507 tap kit worldwide?
3G Electric supplies the CHICAGO-LATROBE 174507 tap kit worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to select the correct tap kit for UNF threads?
For UNF threads, match the tap size to the required thread diameter and pitch, such as 1/4"-28. Choose a tap with the appropriate class fit (e.g., 3B) and coating (e.g., TiN) for the material. CHICAGO-LATROBE offers sets with taper, plug, and bottoming taps for sequential threading.
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Common applications for CHICAGO-LATROBECHICAGO-LATROBE Products
3G Electric supplies CHICAGO-LATROBE three-piece hand tap sets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















