What type of holes is this machine tap designed for?

This tap is designed for through holes. The spiral point pushes the chips forward through the hole.

What thread standard and size does this tap produce?

It cuts a standard coarse UNC thread in size 5/16" with a pitch of 18 TPI.

What are the shank and square drive dimensions?

The tap features a reinforced 8 mm shank with a 6.2 mm square drive according to DIN 371.

Which materials can be machined with this HSS-E tap?

HSS-E is suitable for unalloyed and alloyed steel, stainless steel, cast iron, aluminium, and copper alloys.

What is the maximum cutting depth?

The maximum cutting depth of this machine tap is 22 mm.

PHANTOM 241200794 UNI HSS-E machine tap DIN 371 UNC for through-holes 5/16"-18

Name: PHANTOM 241200794 UNI HSS-E machine tap DIN 371 UNC for through-holes 5/16"-18
Brand: PHANTOM
SKU: 51200609
Price: 43.38 EUR
Availability: InStock

Supplier number: PHANTOM 241200794 | EAN 8716563345206

43.38 tax incl.

€35.85 excl. VAT (incl. all environmental contributions)

On stock - immediately available | we have 2 products in stock.

Ordered before 20:00 - delivered as of 15/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
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✆ Talk to a specialist

Accurate thread cutting for through holes

Practical benefits

Resilient HSS-E tool material: You achieve superior heat resistance and long service life during demanding machine tapping operations in metal.
Forward chip evacuation: The DIN 371 spiral point directs chips forward through the hole, ensuring clean threads without clogging.
Stable Phantom square drive: With an 8 mm shank and 6.2 mm square, you prevent slipping in the tool holder during high-torque threading.

In a nutshell

The right choise for

With the Phantom 24.120 machine tap, you cut clean and precise unc 5/16"-18 internal threads in through-holes with ease. Engineered from durable, heat-resistant hss-e tool steel, this right-hand tap delivers dependable performance across various metals including steel, cast iron, and aluminium. The din 371 spiral point geometry directs chips smoothly forward through the hole, allowing uninterrupted threading up to a maximum cutting depth of 22 mm. In addition, the reinforced 8 mm shank with a 6.2 mm square drive ensures secure, slip-free clamping in your tool holder.

Product information FAQ

€43.38

In stock - tax incl.

Key features according to our expert

Thread size: 5/16"
Max. cutting depth: 22
Thread type: UNC
Material (machine tap): HSS-E
With innercooling: No
Application (machine tap): Through hole
Square size: 6,2 mm
Shank type: External square
Shank size: 8 mm
Cutting direction: Right
Pitch: 18 tpi

Product Description:

Phantom UNI HSS-E Machine Tap DIN 371 UNC
DIN 371, 60°, reinforced shank, Gun nosed for through holes, lead 5 chamfer

All Features

Thread size: 5/16"
Max. cutting depth: 22
Thread type: UNC
Material (machine tap): HSS-E
With innercooling: No
Application (machine tap): Through hole
Square size: 6,2 mm
Shank type: External square
Shank size: 8 mm
Cutting direction: Right
Pitch: 18 tpi
Pre-drilling diameter (ø): 6,6 mm
Total length (l1): 90 mm
Tool material: HSS-E
Flute length (l2): 22 mm
Tolerance d2 (tol. d2): h9
Coolant feed: No
Thread diameter (d1): UNC 5/16
Square wide (sw): 6,2 mm
Quality: UNI
Shape: B
Tolerance d1 (tol. d1): 2B
Shank ø (d2): 8 mm
Hole type: for through holes
Surface: Bright
Norm: DIN 371
Pitch-inch (tpi): 18 Threads per inch

Brand PHANTOM
51200609
EAN 8716563345206
Supplier number PHANTOM 241200794

Frequently asked questions about this product

Answered by specialists

What type of holes is this machine tap designed for?: This tap is designed for through holes. The spiral point pushes the chips forward through the hole.
What thread standard and size does this tap produce?: It cuts a standard coarse UNC thread in size 5/16" with a pitch of 18 TPI.
What are the shank and square drive dimensions?: The tap features a reinforced 8 mm shank with a 6.2 mm square drive according to DIN 371.
Which materials can be machined with this HSS-E tap?: HSS-E is suitable for unalloyed and alloyed steel, stainless steel, cast iron, aluminium, and copper alloys.
What is the maximum cutting depth?: The maximum cutting depth of this machine tap is 22 mm.