What are the diameter and cutting depth of this core drill bit?

This core drill bit has a diameter of 20 mm and a cutting depth of 50 mm.

What type of shank does this core bit use?

It features a standard 3/4" Weldon shank.

Which Fein magnetic drills is this core bit compatible with?

It is compatible with Fein magnetic core drills from the KBU, KBM, KBE, and AKBU series.

Which materials can this HM Ultra 50 bit drill?

With its carbide-tipped teeth, it is designed for drilling into metal.

FEIN 63127284010 HM Ultra 50 core drill with 3/4" Weldon chuck, cutting depth 50 mm, tube dia. 20 mm

Name: FEIN 63127284010 HM Ultra 50 core drill with 3/4" Weldon chuck, cutting depth 50 mm, tube dia. 20 mm
Brand: FEIN
SKU: 08117361
Price: 49.8 EUR
Availability: InStock

Supplier number: FEIN 63127284010 | EAN 4014586272207

Recommended Retail Price €64.74

49.80 tax incl.

€41.16 excl. VAT (incl. all environmental contributions)

On stock - immediately available | we have 3 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
Delivery by DHL
Delivered from Belgium

✆ Talk to a specialist

Precise drilling with Fein

Practical benefits

Extended carbide cutting life: You cut smoothly through tough metals with wear-resistant carbide teeth that stay sharp longer.
Deep drilling capability: Achieve clean cuts up to a 50 mm depth without losing efficiency or cutting speed.
Secure tool holding: The 3/4" Weldon shank ensures rigid clamping and positive torque transmission in your magnetic drill.

In a nutshell

The right choise for

Drill quickly, cleanly, and efficiently through metal with the Fein hm Ultra 50 core drill bit. Its wear-resistant carbide teeth deliver an extended service life and smooth cutting performance during demanding drilling tasks. Featuring a 20 mm diameter and a 50 mm cutting depth, it creates precise through-holes in structural steel without the need for pre-drilling. The standard 3/4" Weldon shank ensures rigid clamping and positive power transmission in your Fein magnetic core drill, including KBU, KBM, KBE, and akbu series machines. It empowers you to complete metal fabrication and site work with speed and accuracy.

Product information FAQ

€49.80

In stock - tax incl.

Key features according to our expert

Diameter: 20 mm
Cutting length: 50 mm
Connection profile: Weldon
For material: Metal
For model: KBU; KBM; KBE; AKBU

Product description

HM Ultra 50 core drill bits with 3/4 in Weldon holder
Longest service life and excellent machining ability. Metric dimensions, drilling depth 50 mm.

All Features

Diameter: 20 mm
Cutting length: 50 mm
Connection profile: Weldon
For material: Metal
For model: KBU; KBM; KBE; AKBU
Cutting depth: 50 mm
Tube ø: 20 mm

Brand FEIN
08117361
EAN 4014586272207
Supplier number FEIN 63127284010

Frequently asked questions about this product

Answered by specialists

What are the diameter and cutting depth of this core drill bit?: This core drill bit has a diameter of 20 mm and a cutting depth of 50 mm.
What type of shank does this core bit use?: It features a standard 3/4" Weldon shank.
Which Fein magnetic drills is this core bit compatible with?: It is compatible with Fein magnetic core drills from the KBU, KBM, KBE, and AKBU series.
Which materials can this HM Ultra 50 bit drill?: With its carbide-tipped teeth, it is designed for drilling into metal.