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Frequently Asked Questions
What is the OSG 1"-11.5 NPSF pipe tap used for?
This OSG pipe tap creates internal threads in pipe fittings and conduit for leak-proof joints in plumbing, hydraulic, and pneumatic systems. Its 5-flute design and black oxide coating reduce friction and improve chip evacuation in steel and cast iron.
What are the specifications of the OSG 1333201 pipe tap?
The OSG 1333201 is a 1"-11.5 NPSF general purpose pipe tap made from black oxide high speed steel with 5 flutes. It is designed for threading pipe and conduit in industrial applications requiring NPSF thread form.
Where to buy the OSG 1333201 pipe tap worldwide?
3G Electric supplies the OSG 1333201 pipe tap worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time.
How to select the correct pipe tap for NPSF threads?
For NPSF threads, use a tap marked with the exact thread size and pitch, like OSG's 1"-11.5 NPSF. Ensure the tap material matches the workpiece—high speed steel for general steel and cast iron. 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.















