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OEM Extension Tap: 3/8"-18 NPT/3/8"-18 NPTF - Extension Pipe Taps
OEMExtension Pipe Taps

OEM Extension Tap: 3/8"-18 NPT/3/8"-18 NPTF

The APPROVED VENDOR Extension Tap (SKU 15815, 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

Brand
OEM
Item
Extension Tap: 3/8"-18 NPT/3/8"-18 NPTF
Category
Extension Pipe Taps
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OEM
Manufacturer Part Number
15815
Type
Plug Chamfer, High Speed Steel
Flute
4

Technical Documents

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OEM Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The APPROVED VENDOR Extension Tap (SKU 15815, 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.

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 15815 worldwide?

3G Electric supplies the APPROVED VENDOR extension tap SKU 15815 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.

OEM Products

3G Electric supplies OEM extension pipe taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
APPROVED VENDOR Extension Tap: 1/8"-27 NPT/1/8"-27 NPTF, 4 Flute, Plug Chamfer, High Speed Steel (MPN 15416)
APPROVED VENDOR Extension Tap: 1/8"-27 NPT/1/8"-27 NPTF, 4 Flute, Plug Chamfer, High Speed Steel (MPN 15416)
This extension pipe tap is used for cutting internal threads in pipes or fittings, particularly in hard-to-reach areas. It features a plug chamfer and 4 flutes for efficient chip evacuation. Made from high-speed steel, it is suitable for threading in plumbing, hydraulic systems, and industrial piping maintenance
This extension pipe tap is used for cutting internal threads in pipes or fittings, particularly in hard-to-reach areas. It features a plug chamfer and 4 flutes for efficient chip evacuation. Made from high-speed steel, it is suitable for threading in plumbing, hydraulic systems, and industrial piping maintenance
APPROVED VENDOR Extension Tap: 1/4"-18 NPT/1/4"-18 NPTF, 4 Flute, Plug Chamfer, High Speed Steel (MPN 15461)
APPROVED VENDOR Extension Tap: 1/4"-18 NPT/1/4"-18 NPTF, 4 Flute, Plug Chamfer, High Speed Steel (MPN 15461)
APPROVED VENDOR Extension Tap: 1/4"-18 NPSF, 4 Flute, Plug Chamfer, High Speed Steel (MPN 17703)
APPROVED VENDOR Extension Tap: 1/4"-18 NPSF, 4 Flute, Plug Chamfer, High Speed Steel (MPN 17703)
APPROVED VENDOR Extension Tap: 3/8"-18 NPT/3/8"-18 NPTF, 5 Flute, Plug Chamfer, High Speed Steel (MPN 15818)
APPROVED VENDOR Extension Tap: 3/8"-18 NPT/3/8"-18 NPTF, 5 Flute, Plug Chamfer, High Speed Steel (MPN 15818)
High-speed steel interrupted-thread extension pipe tap with 1/4"-18 NPT thread size and plug chamfer. Features 5 flutes for chip evacuation. Used for cutting internal threads in pipe fittings and couplings, particularly in hard-to-reach or recessed areas
High-speed steel interrupted-thread extension pipe tap with 1/4"-18 NPT thread size and plug chamfer. Features 5 flutes for chip evacuation. Used for cutting internal threads in pipe fittings and couplings, particularly in hard-to-reach or recessed areas