CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H1 / 2B, 2 Flute, Plug Chamfer (MPN 330143)
SKU 3G-OTH-214608
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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 through-holes in metal, wood, or plastic. Its spiral-point design pushes chips forward, preventing clogging and enabling faster, cleaner threading in production and maintenance applications.
What are the specifications of the CHICAGO-LATROBE 330143 tap?
The CHICAGO-LATROBE 330143 is a general-purpose spiral-point tap with 1/4"-20 UNC thread, H1/2B class fit, 2 flutes, and a plug chamfer. It is designed for through-hole threading and is made by CHICAGO-LATROBE.
Where to buy CHICAGO-LATROBE taps worldwide?
You can source CHICAGO-LATROBE taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to select the correct spiral point tap for a job?
Select a spiral point tap based on thread size (e.g., 1/4"-20 UNC), material, and hole type (through-hole). For through-holes, spiral point taps push chips forward. Match the chamfer type (plug, bottoming, or taper) to the hole depth and thread class (e.g., H1/2B).
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Common applications for CHICAGO-LATROBECHICAGO-LATROBE Products
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.















