CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H3 / 2B, 3 Flute, Plug Chamfer (MPN 330157)
SKU 3G-OTH-214151
Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is the CHICAGO-LATROBE Spiral Point Tap 330157 used for?
The CHICAGO-LATROBE Spiral Point Tap 330157 is a general-purpose tap designed for through-hole threading in ferrous and non-ferrous materials. Its spiral-point design pushes chips forward, reducing clogging and enabling faster production threading in manufacturing and maintenance applications.
What are the specifications of the CHICAGO-LATROBE Spiral Point Tap 330157?
The CHICAGO-LATROBE Spiral Point Tap 330157 has a thread size of 1/4"-20 UNC, with H3 / 2B tolerance, 3 flutes, and a plug chamfer. The manufacturer part number is 330157. It is a general-purpose spiral-point tap for through-hole threading.
Where to buy CHICAGO-LATROBE taps in worldwide?
3G Electric supplies CHICAGO-LATROBE taps worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on the 330157 spiral point tap.
How to select the correct CHICAGO-LATROBE tap for a job?
Select a CHICAGO-LATROBE tap based on thread size, tolerance class, and material. For through holes, a spiral-point tap like the 330157 (1/4"-20 UNC, H3 / 2B) pushes chips forward. For blind holes, use a spiral-flute tap. Always match the tap to the material hardness and thread depth.
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.
