CHICAGO-LATROBE Spiral Point Tap: #4-40 UNC, H2 / 2B, 2 Flute, Bottoming Chamfer (MPN 356338)
SKU 3G-OTH-215411
Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is a Chicago-Latrobe spiral point tap used for?
A Chicago-Latrobe spiral point tap is used for through-hole threading in metalworking. Its spiral point design pushes chips ahead, preventing clogging and enabling faster, cleaner threads in production environments across machining, automotive, and general manufacturing.
What are the specifications of the Chicago-Latrobe #4-40 UNC spiral point tap?
This Chicago-Latrobe tap is #4-40 UNC thread size, H2 / 2B class of fit, with 2 flutes and a bottoming chamfer. It is a general-purpose spiral-point tap designed for through-hole 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 through holes?
For through holes, choose a spiral point tap like this Chicago-Latrobe #4-40 UNC. The spiral point pushes chips forward, reducing breakage. Match thread size, class of fit (H2/2B), and chamfer type (bottoming for blind holes, plug for general use).
Used in
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.






