APPROVED VENDOR Extension Tap: 3/8"-18 NPT/3/8"-18 NPTF, 4 Flute, Plug Chamfer
The APPROVED VENDOR Extension Tap (SKU 11V276, MPN 15815) is a 3/8"-18 NPT/3/8"-18 NPTF plug-chamfer, high-speed steel pipe tap with 4 flutes. We interpret your threading requirements, source this genuine OEM-spec…
SKU 3G-OTH-313245
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Product Description
The APPROVED VENDOR Extension Tap (SKU 11V276, MPN 15815) is a 3/8"-18 NPT/3/8"-18 NPTF plug-chamfer, high-speed steel pipe tap with 4 flutes. We interpret your threading requirements, source this genuine OEM-spec tool, and support your maintenance or production needs across 14 industrial departments — with specialist depth in combustion, pumps and controls.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is an APPROVED VENDOR extension tap used for?
An APPROVED VENDOR extension tap is used to cut internal threads in hard-to-reach or deep-hole applications. The 3/8"-18 NPT/NPTF size creates tapered pipe threads for sealing joints in plumbing, hydraulic, and pneumatic systems. Its extended reach allows threading in confined spaces where standard taps cannot access.
What are the specifications of the APPROVED VENDOR extension tap MPN 15815?
The APPROVED VENDOR extension tap MPN 15815 has a 3/8"-18 NPT and 3/8"-18 NPTF thread size, 4 flutes, a plug chamfer, and is made of high-speed steel. It is designed for threading pipe fittings in metal and plastic materials. The extension shank provides clearance for deep or offset threading operations.
Where to buy the APPROVED VENDOR extension tap 11V276 worldwide?
3G Electric supplies the APPROVED VENDOR extension tap SKU 11V276 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 high-speed steel extension tap for pipe threading applications.
How to select the right extension tap for pipe threading?
Select an extension tap based on thread size (NPT or NPTF), material (high-speed steel for general use), chamfer type (plug chamfer for through holes), and reach length. For 3/8" pipe threads, the APPROVED VENDOR 4-flute plug chamfer tap provides balanced chip evacuation and thread quality. Always match tap to workpiece hardness.
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.










