CHICAGO-LATROBE Extension Tap: 1/8"-27 NPTF, 4 Flute, Semi-Bottoming Chamfer
The CHICAGO-LATROBE Extension Tap (SKU 53PT61, MPN 386008) is a 1/8"-27 NPTF extension pipe tap with a semi-bottoming chamfer, 4 flutes, and high-speed steel construction. We interpret your threading requirements…
SKU 3G-OTH-313240
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Product Description
The CHICAGO-LATROBE Extension Tap (SKU 53PT61, MPN 386008) is a 1/8"-27 NPTF extension pipe tap with a semi-bottoming chamfer, 4 flutes, and high-speed steel construction. We interpret your threading requirements, source this genuine OEM tool, and support your operations across 14 industrial departments — with specialist depth in combustion, pumps, and controls as an authorised distributor.
Frequently Asked Questions
What is the CHICAGO-LATROBE Extension Tap 386008 used for?
The CHICAGO-LATROBE Extension Tap 386008 is used for threading pipe holes in confined or hard-to-reach areas. Its semi-bottoming chamfer allows threading close to the bottom of a blind hole, making it ideal for plumbing, hydraulic, and pneumatic system maintenance in industrial settings.
What are the specifications of the CHICAGO-LATROBE Extension Tap 386008?
The CHICAGO-LATROBE Extension Tap 386008 has a 1/8"-27 NPTF thread, 4 flutes, and a semi-bottoming chamfer. It is made of high-speed steel (HSS) for durability. The manufacturer part number is 386008, and it is designed for threading pipe fittings in metal components.
Where to buy CHICAGO-LATROBE Extension Tap 386008 worldwide?
You can source the CHICAGO-LATROBE Extension Tap 386008 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time on this extension tap.
How to select the right extension tap for threading?
To select the right extension tap, match the thread size (e.g., 1/8"-27 NPTF) and chamfer type to your application. A semi-bottoming chamfer, like on the CHICAGO-LATROBE 386008, is best for blind holes. Ensure the tap material (HSS) suits the workpiece hardness. Always use proper cutting fluid for thread quality.
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3G Electric supplies CHICAGO-LATROBE extension pipe taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.













