OSG Pipe Tap: 3/8"-18 NPT, 4 Flute, Interrupted Thread, V Coated Cobalt (MPN 1657005008)
SKU 3G-OTH-270956
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Frequently Asked Questions
What is the OSG 1657005008 pipe tap used for?
The OSG 1657005008 is a 3/8"-18 NPT interrupted-thread spiral-flute pipe tap designed for threading tapered pipe threads in hard materials. It is commonly used in industrial plumbing, hydraulic systems, and maintenance applications where reliable thread sealing is required.
What are the specifications of the OSG 1657005008 pipe tap?
The OSG 1657005008 is a 3/8"-18 NPT pipe tap with 4 flutes, interrupted thread design, and V-coated cobalt construction. The manufacturer part number is 1657005008. It is engineered for threading in tough alloys and stainless steel, offering extended tool life and chip evacuation.
Where to buy the OSG 1657005008 pipe tap worldwide?
3G Electric supplies the OSG 1657005008 pipe tap worldwide. As a global industrial distributor since 1990, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time; we source and deliver this tool to any country.
How to select the correct OSG pipe tap for NPT threads?
Select an OSG pipe tap like the 1657005008 by matching the thread size (3/8"-18 NPT), material (V-coated cobalt for hard metals), and tap type (interrupted thread for chip control). Ensure the tap is designed for tapered NPT threads to achieve proper sealing in pipe fittings.
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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.














