What type of thread is this machine tap designed for?

This tap cuts a tapered NPT 1/2" thread with a pitch of 14 TPI according to DIN 374.

Can this tap be used for both blind and through holes?

Yes, this tool is suitable for threading both blind holes and through holes.

What are the shank and square drive dimensions?

The tap features a 16 mm shank diameter and a 12 mm external square drive.

What is the maximum cutting depth of this tap?

The maximum cutting depth is 25 mm.

Does this machine tap have internal coolant channels?

No, this model is not equipped with an internal coolant channel.

PHANTOM 258202134 HSS-E machine tap DIN 374 NPT for blind and through-holes 1/2"-14

Name: PHANTOM 258202134 HSS-E machine tap DIN 374 NPT for blind and through-holes 1/2"-14
Brand: PHANTOM
SKU: 51200834
Price: 47.38 EUR
Availability: PreOrder

Supplier number: PHANTOM 258202134 | EAN 8716563346951

47.38 tax incl.

€39.16 excl. VAT (incl. all environmental contributions)

On order: delivered from 12/10/2026

Ordered before 20:00 - delivered as of 12/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL

✆ Talk to a specialist

Reliable tapping for conical threads

Practical benefits

Versatile for diverse holes: You can effortlessly cut precise NPT 1/2"-14 threads in both blind and through holes without changing your tool.
Durable and heat-resistant HSS-E: The robust HSS-E alloy withstands high operating temperatures, providing you with a long cutting life and reliable performance.
Secure drive without slipping: With a 16 mm shank and 12 mm square, you achieve high torque transmission and firm tool clamping.

In a nutshell

The right choise for

With the Phantom 25.820 machine tap, you can cut precise conical npt 1/2"-14 internal threads with ease. Thanks to its versatile geometry, this tool is designed for both through and blind holes up to a cutting depth of 25 mm. The robust HSS-E/V3 steel delivers excellent heat and wear resistance, maintaining sharp cutting edges during demanding metalworking tasks. In addition, the 16 mm shank with a 12 mm external square drive provides secure, slip-free clamping in your tool holder or machine.

Product information FAQ

€47.38

tax incl.

Key features according to our expert

Thread size: 1/2"
Max. cutting depth: 25
Thread type: NPT
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 DIN 374 NPT
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: NPT
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): 17,9 mm
Total length (l1): 140 mm
Tool material: HSS-E
Flute length (l2): 25 mm
Coolant feed: No
Thread diameter (d1): NPT 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
51200834
EAN 8716563346951
Supplier number PHANTOM 258202134

Frequently asked questions about this product

Answered by specialists

What type of thread is this machine tap designed for?: This tap cuts a tapered NPT 1/2" thread with a pitch of 14 TPI according to DIN 374.
Can this tap be used for both blind and through holes?: Yes, this tool is suitable for threading both blind holes and through holes.
What are the shank and square drive dimensions?: The tap features a 16 mm shank diameter and a 12 mm external square drive.
What is the maximum cutting depth of this tap?: The maximum cutting depth is 25 mm.
Does this machine tap have internal coolant channels?: No, this model is not equipped with an internal coolant channel.