CHICAGO-LATROBE Spiral Point Tap: 1/4"-28 UNF, H3 / 2B, 2 Flute, Plug Chamfer
SKU 3G-OTH-217696
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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 through-hole threading in metalworking. Its spiral-point design pushes chips ahead, reducing chip clogging and enabling faster production. It is commonly applied in automotive, aerospace, and general machining operations where clean, accurate threads are required.
What are the specifications of the CHICAGO-LATROBE 330186 tap?
The CHICAGO-LATROBE 330186 is a 1/4\"-28 UNF spiral point tap with H3 / 2B tolerance, 2 flutes, and a plug chamfer. It is made from high speed steel for durability. This tap is 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. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the 330186 spiral point tap. We source genuine industrial cutting tools across 14 departments to meet your production needs.
How to select the right spiral point tap for through holes?
Select a spiral point tap based on thread size, pitch, and material. For through holes, a plug chamfer with 2-3 threads of chamfer is typical. Ensure the tap has the correct tolerance class (e.g., H3 / 2B) for your application. CHICAGO-LATROBE taps are a reliable choice for consistent thread quality.
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3G Electric supplies CHICAGO-LATROBE low-shear spiral-point taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















