APPROVED VENDOR Extension Tap: 1/4"-18 NPSF, 4 Flute, Plug Chamfer, High Speed Steel (MPN 17703)
The APPROVED VENDOR Extension Tap (SKU 10D339, MPN 17703) is a 1/4"-18 NPSF plug-chamfer, high-speed steel pipe tap with 4 flutes. 3G Electric sources this genuine industrial threading tool across 14 departments…
SKU 3G-OTH-313249
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Product Description
The APPROVED VENDOR Extension Tap (SKU 10D339, MPN 17703) is a 1/4"-18 NPSF plug-chamfer, high-speed steel pipe tap with 4 flutes. 3G Electric sources this genuine industrial threading tool across 14 departments — and far more — with specialist depth in combustion, pumps and controls as a trust anchor.
Frequently Asked Questions
What is an APPROVED VENDOR extension tap used for?
An extension tap is used to cut internal threads in hard-to-reach or deep holes. This 1/4"-18 NPSF plug chamfer tap with 4 flutes is designed for threading pipe fittings in industrial maintenance, plumbing, and machining applications where standard taps cannot reach.
What are the specifications of the APPROVED VENDOR extension tap 17703?
This extension tap has a 1/4"-18 NPSF thread size, 4 flutes, plug chamfer, and is made of high-speed steel. The manufacturer part number is 17703. It is designed for threading National Pipe Straight Fuel (NPSF) threads in confined or deep-hole applications.
Where to buy APPROVED VENDOR extension taps worldwide?
3G Electric supplies APPROVED VENDOR extension taps worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this 1/4"-18 NPSF plug chamfer tap (MPN 17703).
How to select the right extension tap for pipe threading?
Select an extension tap based on thread size (e.g., 1/4"-18 NPSF), chamfer type (plug for through holes), flute count (4 for chip clearance), and material (high-speed steel for general use). Ensure the tap length reaches the threading depth without interference from surrounding components.
Used in
Common applications for APPROVED VENDORAPPROVED VENDOR Products
3G Electric supplies APPROVED VENDOR extension pipe taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.










