CHICAGO-LATROBE Pipe and Conduit Thread Tap: 1/4"-18 NPS, 4 Flute, Semi-Bottoming Chamfer (MPN 387121)
SKU 3G-OTH-266178
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Frequently Asked Questions
What is the CHICAGO-LATROBE 387121 pipe tap used for?
The CHICAGO-LATROBE 387121 is a general purpose pipe tap used to cut internal threads in pipe and conduit fittings. Its 1/4"-18 NPS size and semi-bottoming chamfer make it suitable for threading close to the bottom of a blind hole in plumbing, electrical, and industrial applications.
What are the specifications of the CHICAGO-LATROBE 387121 pipe tap?
The CHICAGO-LATROBE 387121 is a 1/4"-18 NPS pipe tap with 4 flutes and a semi-bottoming chamfer. It is designed for general purpose threading of pipe and conduit. The manufacturer part number is 387121, and it is a semi-bottoming type for threading near the bottom of holes.
Where to buy CHICAGO-LATROBE pipe taps worldwide?
3G Electric supplies CHICAGO-LATROBE pipe taps like the 387121 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this semi-bottoming chamfer tap for your industrial threading needs.
How to select the right pipe tap for threading conduit?
Select a pipe tap based on thread size (e.g., 1/4"-18 NPS), chamfer type, and material. A semi-bottoming chamfer like the CHICAGO-LATROBE 387121 is ideal for threading close to the bottom of blind holes. Ensure the tap matches the conduit material and use proper cutting fluid for clean threads.
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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.













