What shank connection does this Fein core bit use?

It features a standard 3/4" Weldon shank, compatible with magnetic drill presses equipped for this mount.

What are the drilling diameter and cutting depth?

This bit has a 20 mm cutting diameter and a maximum cutting depth of 35 mm.

Which materials can be drilled with this HM Ultra 35 bit?

Its carbide-tipped teeth and TiAlSiN coating make it suitable for drilling structural steel and all common metals.

What is the benefit of the TiAlSiN coating?

The TiAlSiN coating delivers superior heat and wear resistance, maximizing tool life and cutting efficiency.

Is this core bit suitable for dry drilling?

Yes, this heavy-duty carbide bit handles demanding metal drilling and supports short-term dry drilling.

FEIN 63127838007 HM Ultra 35 core drill TiAlSiN with 3/4" Weldon chuck, cutting depth 35 mm, tube dia. 20 mm

Name: FEIN 63127838007 HM Ultra 35 core drill TiAlSiN with 3/4" Weldon chuck, cutting depth 35 mm, tube dia. 20 mm
Brand: FEIN
SKU: 08117309
Price: 53.95 EUR
Availability: InStock

Supplier number: FEIN 63127838007 | EAN 4014586469072

Recommended Retail Price €67.88

53.95 tax incl.

€44.59 excl. VAT (incl. all environmental contributions)

On stock - immediately available | we have 5 products in stock.

Ordered before 20:00 - delivered tomorrow 15/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL

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Accurate metal drilling with Fein

Practical benefits

Superior wear and heat resistance: The TiAlSiN surface coating paired with carbide teeth delivers extended tool life and reduces friction during intensive cutting.
Secure and stable mounting: The standard 3/4" Weldon shank ensures reliable torque transfer and prevents slipping in compatible magnetic drills.
Clean cuts with fast evacuation: A 35 mm cutting depth and optimized geometry allow you to create accurate holes in metal with minimal burr formation.

In a nutshell

The right choise for

With the Fein hm Ultra 35 core bit, you drill accurate 20 mm holes quickly and effortlessly in structural steel and various metals. Thanks to carbide-tipped cutting edges and a specialized TiAlSiN coating, you benefit from superior wear and heat resistance, minimal friction, and extended service life, even during short-term dry drilling. The optimized cutting geometry with a 35 mm cutting depth ensures fast chip evacuation and clean, burr-free holes. Equipped with a standard 3/4" Weldon shank, this core bit delivers secure mounting and dependable torque transfer in your magnetic drill press.

Product information FAQ

€53.95

In stock - tax incl.

Key features according to our expert

Diameter: 20 mm
Cutting length: 35 mm
Connection profile: Weldon
For material: Metal

Product description

HM Ultra 35 core drill bits with 3/4 in Weldon holder
TiAlSiN surface coating for unique machining capability and maximum machining speed at a very long service life. Metric dimensions, drilling depth 35 mm.

All Features

Diameter: 20 mm
Cutting length: 35 mm
Connection profile: Weldon
For material: Metal
Cutting depth: 35 mm
Tube ø: 20 mm

Brand FEIN
08117309
EAN 4014586469072
Supplier number FEIN 63127838007

Frequently asked questions about this product

Answered by specialists

What shank connection does this Fein core bit use?: It features a standard 3/4" Weldon shank, compatible with magnetic drill presses equipped for this mount.
What are the drilling diameter and cutting depth?: This bit has a 20 mm cutting diameter and a maximum cutting depth of 35 mm.
Which materials can be drilled with this HM Ultra 35 bit?: Its carbide-tipped teeth and TiAlSiN coating make it suitable for drilling structural steel and all common metals.
What is the benefit of the TiAlSiN coating?: The TiAlSiN coating delivers superior heat and wear resistance, maximizing tool life and cutting efficiency.
Is this core bit suitable for dry drilling?: Yes, this heavy-duty carbide bit handles demanding metal drilling and supports short-term dry drilling.