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OEM Extension Tap: 3/8"-18 NPT/3/8"-18 NPTF - Interrupted-Thread Extension Pipe Taps
OEMInterrupted-Thread Extension Pipe Taps

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

The APPROVED VENDOR Extension Tap (SKU 15818, MPN 15818) is an interrupted-thread extension pipe tap with a 3/8"-18 NPT/NPTF thread size. It features a plug chamfer, 5 flutes, and is made of high-speed steel. 3G…

SKU 3G-OTH-309308

Brand
OEM
Item
Extension Tap: 3/8"-18 NPT/3/8"-18 NPTF
Category
Interrupted-Thread Extension Pipe Taps
Available to Order
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Local availability & support

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
15818
Type
Plug Chamfer, High Speed Steel
Flute
5

Technical Documents

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

Product Description

The APPROVED VENDOR Extension Tap (SKU 15818, MPN 15818) is an interrupted-thread extension pipe tap with a 3/8"-18 NPT/NPTF thread size. It features a plug chamfer, 5 flutes, and is made of high-speed steel. 3G Electric sources this genuine industrial tool across 14 departments, with specialist expertise in combustion, pumps, and controls ensuring accurate sourcing and support.

Frequently Asked Questions

What is the APPROVED VENDOR Extension Tap 15818 used for?

This interrupted-thread extension pipe tap is used to cut or repair internal NPT and NPTF threads in hard-to-reach areas. It is commonly applied in industrial piping, hydraulic systems, and maintenance operations where standard taps cannot reach the workpiece.

What are the specifications of the APPROVED VENDOR Extension Tap 15818?

The tap has a 3/8\"-18 NPT and 3/8\"-18 NPTF thread size, a 5-flute design with plug chamfer, and is made from high-speed steel. The manufacturer part number is 15818. It is designed for interrupted-thread applications in pipe tapping.

Where to buy the APPROVED VENDOR Extension Tap 15818 worldwide?

You can source the APPROVED VENDOR Extension Tap 15818 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time.

How to select the correct extension pipe tap for NPT threads?

Select a tap that matches the thread size and type (NPT or NPTF) of your application. For hard-to-reach areas, choose an extension tap like the APPROVED VENDOR 15818 with a plug chamfer and high-speed steel construction. Ensure the flute count suits the material being tapped.

OEM Products

3G Electric supplies OEM interrupted-thread 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: 1/4"-18 NPT/1/4"-18 NPTF, 5 Flute, Plug Chamfer, High Speed Steel (MPN 15464)
APPROVED VENDOR Extension Tap: 1/4"-18 NPT/1/4"-18 NPTF, 5 Flute, Plug Chamfer, High Speed Steel (MPN 15464)
APPROVED VENDOR Extension Tap: 1/8"-27 NPT/1/8"-27 NPTF, 5 Flute, Plug Chamfer, High Speed Steel (MPN 15422)
APPROVED VENDOR Extension Tap: 1/8"-27 NPT/1/8"-27 NPTF, 5 Flute, Plug Chamfer, High Speed Steel (MPN 15422)
APPROVED VENDOR Extension Tap: 3/8"-18 NPT/3/8"-18 NPTF, 4 Flute, Plug Chamfer, High Speed Steel (MPN 15815)
APPROVED VENDOR Extension Tap: 3/8"-18 NPT/3/8"-18 NPTF, 4 Flute, Plug Chamfer, High Speed Steel (MPN 15815)
APPROVED VENDOR Pipe and Conduit Thread Tap: 1/8"-27 NPSI, 4 Flute, Plug Chamfer, Interrupted Thread (MPN 15431)
APPROVED VENDOR Pipe and Conduit Thread Tap: 1/8"-27 NPSI, 4 Flute, Plug Chamfer, Interrupted Thread (MPN 15431)
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)
APPROVED VENDOR Extension Tap: 1/8"-27 NPT/1/8"-27 NPTF, 4 Flute, Plug Chamfer, High Speed Steel (MPN 15419)
APPROVED VENDOR Extension Tap: 1/8"-27 NPT/1/8"-27 NPTF, 4 Flute, Plug Chamfer, High Speed Steel (MPN 15419)