CHICAGO-LATROBE Tap Kit: #4-48 UNF, H2 / 3B, 3 Flute, TiN Coated High Speed Steel (MPN 174531)
The CHICAGO-LATROBE Tap Kit is a three-piece hand tap set for #4-48 UNF threads, featuring H2 / 3B tolerance, a 3-flute design, and TiN coated high speed steel (MPN 174531). 3G Electric sources this genuine…
SKU 3G-OTH-319632
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Product Description
The CHICAGO-LATROBE Tap Kit is a three-piece hand tap set for #4-48 UNF threads, featuring H2 / 3B tolerance, a 3-flute design, and TiN coated high speed steel (MPN 174531). 3G Electric sources this genuine industrial tool across 14 departments, with specialist expertise in combustion, pumps, and controls ensuring accurate fulfillment.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the CHICAGO-LATROBE Tap Kit 174531 used for?
This three-piece hand tap set is used for creating #4-48 UNF internal threads in precision components. It is suitable for applications in aerospace, automotive, and general manufacturing where fine-pitch threads are required. The TiN coating reduces friction and extends tool life in ferrous and non-ferrous materials.
What are the specifications of the CHICAGO-LATROBE Tap Kit 174531?
The kit includes three taps for #4-48 UNF threads with a 3B class fit and H2 tolerance. Each tap has three flutes and is made from high-speed steel with a titanium nitride (TiN) coating. The manufacturer part number is 174531. These taps are designed for hand threading operations.
Where to buy the CHICAGO-LATROBE Tap Kit 174531 worldwide?
3G Electric supplies the CHICAGO-LATROBE Tap Kit 174531 to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact our team to place an order or request a quote for this precision threading tool.
How to select the correct CHICAGO-LATROBE tap for a job?
Select a tap based on thread size, pitch, and material. For #4-48 UNF threads in harder materials, use a TiN-coated high-speed steel tap like this kit. Ensure the tap drill size matches the required thread class (3B). Always use cutting fluid and follow proper hand tapping techniques to avoid breakage.
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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.















