What thread type is this machine tap designed for?

This tap cuts tapered American NPTF threads in size 1/2" with a pitch of 14 TPI.

Is this tap suitable for blind holes or through holes?

This machine tap is designed for both blind and through holes.

What are the dimensions of the shank and drive square?

The shank has a diameter of 16 mm with a 12 mm external drive square.

Does this machine tap feature internal coolant channels?

No, this model does not have internal coolant ducts.

What material is this machine tap made from?

It is manufactured from premium HSS-E (cobalt high-speed steel) for increased wear resistance.

PHANTOM 258402134 HSS-E machine tap DIN 374 NPTF for blind and through-holes 1/2"-14

Name: PHANTOM 258402134 HSS-E machine tap DIN 374 NPTF for blind and through-holes 1/2"-14
Brand: PHANTOM
SKU: 51200844
Price: 64.99 EUR
Availability: PreOrder

Supplier number: PHANTOM 258402134 | EAN 8716563347057

64.99 tax incl.

€53.71 excl. VAT (incl. all environmental contributions)

On order: delivered from 17/10/2026

Ordered before 20:00 - delivered as of 17/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL
Delivered from Belgium

✆ Talk to a specialist

Accurate NPTF threading for tight pipe connections

Practical benefits

Versatile hole application: You can effortlessly cut precise threads in both blind and through holes with reliable chip control.
Durable HSS-E steel construction: The cobalt-alloyed high-speed steel provides exceptional wear resistance and extended cutting tool life.
Reliable conical sealing: The standardized 1/2"-14 pitch delivers clean, pressure-tight thread profiles for industrial piping and hydraulic fittings.

In a nutshell

The right choise for

With the Phantom 25.840 machine tap, you cut precise, self-sealing conical American nptf threads into metal workpieces with confidence. Engineered with a 1/2"-14 pitch and a maximum cutting depth of 25 mm, this right-hand tap handles both blind and through holes, eliminating unnecessary tool changes during production runs. The robust cobalt-alloyed hss-e construction provides superior heat and wear resistance under demanding machining conditions. Featuring a 16 mm shank and a 12 mm drive square conforming to din 374, it clamps securely in your milling machine or cnc machining centre, delivering clean and reliable pipe fittings every time.

Product information FAQ

€64.99

tax incl.

Key features according to our expert

Thread size: 1/2"
Max. cutting depth: 25
Thread type: NPTF
Material (machine tap): HSS-E
With innercooling: No
Application (machine tap): Blind hole; Through hole
Square size: 12 mm
Shank type: External square
Shank size: 16 mm
Cutting direction: Right
Pitch: 14 tpi

Product Description:

Phantom HSS-E Machine Tap DIN 374 NPTF
DIN 374, 60°, taper 1:16, reduced shank, for through and blind holes, lead 2,5 chamfer

All Features

Thread size: 1/2"
Max. cutting depth: 25
Thread type: NPTF
Material (machine tap): HSS-E
With innercooling: No
Application (machine tap): Blind hole; Through hole
Square size: 12 mm
Shank type: External square
Shank size: 16 mm
Cutting direction: Right
Pitch: 14 tpi
Shank ø (d2): 16 mm
Pre-drilling diameter (ø): 17,5 mm
Total length (l1): 140 mm
Tool material: HSS-E
Flute length (l2): 25 mm
Coolant feed: No
Thread diameter (d1): NPTF 1/2
Square wide (sw): 12 mm
Hole type: for blind and through holes
Surface: Bright
Shape: C
Norm: DIN 374
Pitch-inch (tpi): 14 Threads per inch

Brand PHANTOM
51200844
EAN 8716563347057
Supplier number PHANTOM 258402134

Frequently asked questions about this product

Answered by specialists

What thread type is this machine tap designed for?: This tap cuts tapered American NPTF threads in size 1/2" with a pitch of 14 TPI.
Is this tap suitable for blind holes or through holes?: This machine tap is designed for both blind and through holes.
What are the dimensions of the shank and drive square?: The shank has a diameter of 16 mm with a 12 mm external drive square.
Does this machine tap feature internal coolant channels?: No, this model does not have internal coolant ducts.
What material is this machine tap made from?: It is manufactured from premium HSS-E (cobalt high-speed steel) for increased wear resistance.