OSG Pipe Tap: 3/4"-14 NPTF, 4 Flute, Interrupted Thread, V Coated Cobalt (MPN 1657107008)
SKU 3G-OTH-270938
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Frequently Asked Questions
What is the OSG 3/4"-14 NPTF pipe tap used for?
This OSG pipe tap is used to cut NPTF (Dryseal) threads in pipes and fittings for leak-proof joints in hydraulic, pneumatic, and fluid-handling systems. The interrupted-thread design reduces cutting torque and chip clogging in tough materials like stainless steel and alloy steels.
What are the specifications of the OSG 3/4"-14 NPTF pipe tap?
The OSG pipe tap has a 3/4"-14 NPTF thread size, 4 flutes, interrupted-thread geometry, and a V-coated cobalt construction. The manufacturer part number is 1657107008. It is designed for high-speed threading in hard materials and provides excellent wear resistance.
Where to buy the OSG 3/4"-14 NPTF pipe tap worldwide?
You can source the OSG 3/4"-14 NPTF pipe tap 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 on this OSG tap.
How to select the correct OSG pipe tap for NPTF threads?
Select an OSG pipe tap based on thread size (e.g., 3/4"-14 NPTF), material (cobalt for hard metals), and tap style (interrupted-thread for reduced torque). Ensure the tap matches the required thread class (NPTF for dryseal). For best results, use proper cutting fluid and follow OSG's speed/feed recommendations.
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Common applications for OSGOSG Products
3G Electric supplies OSG interrupted-thread spiral-flute pipe taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















