CHICAGO-LATROBE Extension Tap: 1"-11.5 NPT, 5 Flute, Semi-Bottoming Chamfer, High Speed Steel (MPN 384529)
The CHICAGO-LATROBE Extension Tap (SKU 53PT62, MPN 384529) is a 1"-11.5 NPT semi-bottoming chamfer extension pipe tap made from high-speed steel with 5 flutes. 3G Electric interprets your demand for this specific OEM…
SKU 3G-OTH-313243
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Product Description
The CHICAGO-LATROBE Extension Tap (SKU 53PT62, MPN 384529) is a 1"-11.5 NPT semi-bottoming chamfer extension pipe tap made from high-speed steel with 5 flutes. 3G Electric interprets your demand for this specific OEM threading tool and delivers it 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 384529 used for?
The CHICAGO-LATROBE Extension Tap 384529 is used for threading internal NPT pipe threads in hard-to-reach areas. Its extended length and semi-bottoming chamfer allow threading close to the bottom of a blind hole. Common applications include plumbing, hydraulic systems, and industrial piping where standard taps cannot reach.
What are the specifications of the CHICAGO-LATROBE Extension Tap 384529?
The CHICAGO-LATROBE Extension Tap 384529 has a 1"-11.5 NPT thread size, 5 flutes, and a semi-bottoming chamfer. It is made from high-speed steel (HSS) for durability. The manufacturer part number is 384529. This tap is designed for threading pipe fittings in steel, stainless steel, and other ferrous materials.
Where to buy the CHICAGO-LATROBE Extension Tap 384529 worldwide?
You can source the CHICAGO-LATROBE Extension Tap 384529 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time. 3G Electric supplies this tap as part of our extensive cutting tool range.
How to select the correct extension tap for NPT threading?
To select the correct extension tap, match the thread size (e.g., 1"-11.5 NPT) and chamfer type to your application. A semi-bottoming chamfer, as on the CHICAGO-LATROBE 384529, is ideal for threading close to the bottom of 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.













