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Frequently Asked Questions
What is OSG 1330401 pipe tap used for?
The OSG 1330401 is a general purpose pipe and conduit thread tap used to cut 3/8"-18 NPS internal threads in metal. It is commonly applied in plumbing, electrical conduit, and industrial piping systems where reliable, leak-free connections are required.
What are the specifications of OSG 1330401?
The OSG 1330401 is a 3/8"-18 NPS pipe tap with 4 flutes, made from black oxide high speed steel. It is designed for general purpose threading in steel, stainless steel, and other ferrous materials. The black oxide finish reduces friction and improves chip evacuation.
Where to buy OSG 1330401 worldwide?
3G Electric supplies the OSG 1330401 pipe tap to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this and other OSG cutting tools.
How to select the right pipe tap for NPS threads?
For NPS (National Pipe Straight) threads, choose a tap with the correct thread size and pitch, such as 3/8"-18. Ensure the tap material matches your workpiece: high speed steel for general use, black oxide for ferrous metals. Always use proper cutting fluid and tap in a straight line to avoid breakage.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG general purpose pipe taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.











