CHICAGO-LATROBE Extension Tap: 3/8"-18 NPT, 4 Flute, Semi-Bottoming Chamfer, High Speed Steel (MPN 384526)
The CHICAGO-LATROBE Extension Tap (SKU 53PT65) is a 3/8"-18 NPT semi-bottoming chamfer pipe tap made of high-speed steel with 4 flutes (MPN 384526). 3G Electric sources this genuine industrial threading tool across…
SKU 3G-OTH-313254
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Product Description
The CHICAGO-LATROBE Extension Tap (SKU 53PT65) is a 3/8"-18 NPT semi-bottoming chamfer pipe tap made of high-speed steel with 4 flutes (MPN 384526). 3G Electric sources this genuine industrial threading tool across 14 departments — and far more — with specialist depth in combustion, pumps and controls as an authorised distributor for brands like FBR, Interpump, Riello, Beckett, Schneider, ABB, Siemens, SKF, Festo and Fluke.
Frequently Asked Questions
What is the CHICAGO-LATROBE Extension Tap 384526 used for?
The CHICAGO-LATROBE Extension Tap 384526 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, making it ideal for plumbing, hydraulic, and pneumatic system maintenance in industrial settings.
What are the specifications of the CHICAGO-LATROBE Extension Tap 384526?
The CHICAGO-LATROBE Extension Tap 384526 is a 3/8"-18 NPT pipe tap with 4 flutes, a semi-bottoming chamfer, and is made from high-speed steel. The manufacturer part number is 384526. It is designed for threading NPT pipe threads in confined spaces where standard taps cannot reach.
Where to buy the CHICAGO-LATROBE Extension Tap 384526 worldwide?
You can source the CHICAGO-LATROBE Extension Tap 384526 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; we provide this tap as part of our extensive sourcing network.
How to select the correct CHICAGO-LATROBE Extension Tap for NPT threads?
To select the correct CHICAGO-LATROBE Extension Tap, match the tap size to the NPT thread specification—for example, 3/8"-18 NPT. Choose a semi-bottoming chamfer for threading close to the bottom of blind holes, and ensure the tap material (high-speed steel) suits the workpiece. Always verify the manufacturer part number, such as 384526, for exact fit.
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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.













