CHICAGO-LATROBE Extension Tap: 1/4"-18 NPTF, 4 Flute, Semi-Bottoming Chamfer (MPN 386152)
SKU 3G-OTH-313241
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Frequently Asked Questions
What is the CHICAGO-LATROBE Extension Tap 386152 used for?
The CHICAGO-LATROBE Extension Tap 386152 is used to cut internal NPTF threads in pipe fittings and holes. Its semi-bottoming chamfer and 4-flute design make it suitable for threading close to the bottom of blind holes in industrial piping systems.
What are the specifications of the CHICAGO-LATROBE Extension Tap 386152?
The CHICAGO-LATROBE Extension Tap 386152 has a 1/4"-18 NPTF thread size, 4 flutes, and a semi-bottoming chamfer. The manufacturer part number is 386152. It is designed for threading pipe fittings in metalworking applications.
Where to buy the CHICAGO-LATROBE Extension Tap 386152 worldwide?
You can source the CHICAGO-LATROBE Extension Tap 386152 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.
How to select the correct extension tap for NPTF threads?
To select the correct extension tap, match the thread size and pitch to your pipe fitting—here 1/4"-18 NPTF. Choose a semi-bottoming chamfer for threading near blind-hole bottoms. The 4-flute design from CHICAGO-LATROBE provides balanced chip evacuation in harder materials.
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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.













