OSG Pipe and Conduit Thread Tap: 1/4"-18 NPTF, 4 Flute, High Speed Steel (MPN 1312800)
SKU 3G-OTH-266077
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Frequently Asked Questions
What is the OSG 1/4"-18 NPTF pipe tap used for?
The OSG 1/4"-18 NPTF pipe tap is used to cut internal threads in pipes and conduit for leak-proof connections in industrial plumbing, hydraulic, and pneumatic systems. It is designed for general-purpose threading in steel, stainless steel, and other metals, ensuring reliable sealing in high-pressure applications.
What are the specifications of the OSG 1/4"-18 NPTF pipe tap?
The OSG pipe tap has a 1/4"-18 NPTF thread size, 4 flutes for efficient chip evacuation, and is made from high-speed steel (HSS) for durability. The manufacturer part number is 1312800. It is a general-purpose tap suitable for through-hole and blind-hole threading in conduit and pipe fittings.
Where to buy the OSG 1/4"-18 NPTF pipe tap worldwide?
You can source the OSG 1/4"-18 NPTF pipe tap from 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; we supply genuine OSG taps for industrial threading applications.
How to select the correct OSG pipe tap for NPTF threads?
To select the correct OSG pipe tap, match the thread size (e.g., 1/4"-18 NPTF) to your pipe or fitting. NPTF taps create dry-seal threads for leak-proof joints without sealant. Use a tap drill chart for the proper hole size. OSG taps are made from high-speed steel for general-purpose threading in metal pipes.
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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.















