CHICAGO-LATROBE Spiral Point Tap: 3/8"-24 UNF, H1 / 2B, 3 Flute, Plug Chamfer
The CHICAGO-LATROBE Spiral Point Tap (SKU 15J859) is a general-purpose spiral-point tap with a 3/8"-24 UNF thread, featuring an H1 / 2B tolerance, plug chamfer, and 3-flute design in high-speed steel (MPN 357561). 3G…
SKU 3G-OTH-214204
Need installation or engineering help?
Ask a question
Product Description
The CHICAGO-LATROBE Spiral Point Tap (SKU 15J859) is a general-purpose spiral-point tap with a 3/8"-24 UNF thread, featuring an H1 / 2B tolerance, plug chamfer, and 3-flute design in high-speed steel (MPN 357561). 3G Electric interprets your demand for this OEM-specified tool and delivers it across 14 industrial departments — with specialist depth in combustion, pumps, and controls as a trust anchor, not a limit.
Frequently Asked Questions
What is the CHICAGO-LATROBE Spiral Point Tap 357561 used for?
This tap is used for threading blind holes in production environments. Its spiral-point design pushes chips forward, preventing clogging. It is suitable for general-purpose threading in steel, aluminum, and other materials where a 3/8"-24 UNF thread with a 2B class fit is required.
What are the specifications of the CHICAGO-LATROBE Spiral Point Tap 357561?
The tap has a 3/8"-24 UNF thread size, H1 / 2B tolerance, 3 flutes, and a plug chamfer. It is made of high-speed steel (HSS) and is designed for general-purpose threading. The manufacturer part number is 357561.
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 location. Contact us for availability and lead time on the 357561 spiral point tap.
How to select the correct CHICAGO-LATROBE tap for a job?
Select a tap based on thread size, pitch, and material. For blind holes, a spiral-point tap like the 357561 pushes chips forward. Ensure the tap matches the required thread class (e.g., 2B) and chamfer type (plug for general use). Always use proper cutting fluid for HSS taps.
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.















