CHICAGO-LATROBE 3/8"-18 NPS Semi-Bottoming Pipe Tap, 4 Flute
The CHICAGO-LATROBE 387139 is a General Purpose Pipe Tap with a 3/8"-18 NPS thread, featuring a Semi-Bottoming Chamfer and 4 flutes (MPN 387139). 3G Electric interprets this demand and sources the exact OEM part…
SKU 3G-OTH-266132
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Product Description
The CHICAGO-LATROBE 387139 is a General Purpose Pipe Tap with a 3/8"-18 NPS thread, featuring a Semi-Bottoming Chamfer and 4 flutes (MPN 387139). 3G Electric interprets this demand and sources the exact OEM part, backed by specialist expertise across 14 industrial departments — including combustion, pumps, and controls — to ensure you get the right solution, not just a catalog.
Frequently Asked Questions
What is the CHICAGO-LATROBE 387139 pipe tap used for?
The CHICAGO-LATROBE 387139 is a general-purpose pipe tap used to cut internal threads in pipe and conduit fittings. Its 3/8"-18 NPS size and semi-bottoming chamfer make it suitable for threading close to the bottom of blind holes in plumbing, electrical conduit, and industrial piping systems.
What are the specifications of the CHICAGO-LATROBE 387139 pipe tap?
The CHICAGO-LATROBE 387139 is a 3/8"-18 NPS pipe tap with a semi-bottoming chamfer and 4 flutes. It is designed for general-purpose threading of pipe and conduit. The manufacturer part number is 387139, and it is made by CHICAGO-LATROBE.
Where to buy CHICAGO-LATROBE 387139 pipe taps worldwide?
You can source the CHICAGO-LATROBE 387139 pipe tap 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 times on this and other CHICAGO-LATROBE threading tools.
How to select the right chamfer type for a pipe tap?
For threading blind holes, choose a semi-bottoming chamfer like the CHICAGO-LATROBE 387139 to cut threads close to the hole bottom. For through holes, a taper chamfer is easier to start. Always match the tap size (3/8"-18 NPS) to the pipe or conduit thread standard for proper fit.
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3G Electric supplies CHICAGO-LATROBE general purpose pipe taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.