CHICAGO-LATROBE Spiral Point Tap: #4-40 UNC, H2 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 356324)
SKU 3G-OTH-214042
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Frequently Asked Questions
What is a CHICAGO-LATROBE spiral point tap used for?
A CHICAGO-LATROBE spiral point tap is used for threading blind holes in production machining. Its spiral point design pushes chips forward, preventing clogging and enabling faster tapping in steel, aluminum, and other materials across industrial manufacturing.
What are the specifications of the CHICAGO-LATROBE #4-40 UNC tap?
This CHICAGO-LATROBE tap is #4-40 UNC, H2 / 2B class fit, with 2 flutes and a plug chamfer. It is made of high speed steel (HSS) and has manufacturer part number 356324. It is designed for general purpose threading in ferrous and non-ferrous materials.
Where to buy CHICAGO-LATROBE taps in worldwide?
3G Electric supplies CHICAGO-LATROBE taps worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this #4-40 UNC spiral point tap.
How to select the right spiral point tap for threading?
Select a spiral point tap based on thread size, material, and hole type. For blind holes, spiral point taps push chips forward. Match the tap's H limit (e.g., H2) and class fit (e.g., 2B) to your thread tolerance. CHICAGO-LATROBE taps suit general purpose applications in steel and aluminum.
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3G Electric supplies CHICAGO-LATROBE general purpose spiral-point taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.














