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

This core drill bit features a 14 mm drill diameter and a maximum cutting depth of 35 mm.

What type of shank does this Fein core bit have?

The bit is equipped with a standard 3/4" Weldon shank for compatible magnetic drilling units.

Which materials is the HM Ultra 35 suitable for?

It is designed for drilling across various metal types, including structural steel and stainless steel.

What is the benefit of the TiAlSiN coating?

The TiAlSiN coating provides high heat and wear resistance, ensuring a long service life and reliable cutting performance.

FEIN 63127838003 HM Ultra 35 core drill TiAlSiN with 3/4" Weldon chuck, cutting depth 35 mm, tube dia 14 mm

Name: FEIN 63127838003 HM Ultra 35 core drill TiAlSiN with 3/4" Weldon chuck, cutting depth 35 mm, tube dia 14 mm
Brand: FEIN
SKU: 03331792
Price: 53.95 EUR
Availability: InStock

Supplier number: FEIN 63127838003 | EAN 4014586469034

Recommended Retail Price €67.88

53.95 tax incl.

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

On stock - immediately available

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
Delivered from Belgium

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Fast metal drilling with Fein core drill

Practical benefits

Wear-resistant TiAlSiN protective coating: You achieve extended tool life and higher cutting speeds thanks to exceptional heat and friction resistance.
Secure 3/4" Weldon shank: You clamp the cutter firmly into compatible magnetic drills for slippage-free power transfer under heavy loads.
Smooth cutting to 35 mm: The optimized carbide geometry lets you drill cleanly through metal with reduced effort and fast chip evacuation.

In a nutshell

The right choise for

With the Fein hm Ultra 35 core drill bit, you drill quickly and cleanly through solid metal, pipes, and structural steel. By cutting only the perimeter, it produces precise 14 mm holes up to a depth of 35 mm without any need for pre-drilling. The heat-resistant TiAlSiN coating and carbide-tipped teeth protect against rapid wear and overheating, extending service life during heavy-duty work in stainless steel. Thanks to the secure 3/4" Weldon shank, you lock the cutter firmly into your magnetic drilling unit for slippage-free power transfer, reduced effort, and fast chip evacuation.

Product information FAQ

€53.95

In stock - tax incl.

Key features according to our expert

Diameter: 14 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: 14 mm
Cutting length: 35 mm
Connection profile: Weldon
For material: Metal
Cutting depth: 35 mm
Tube ø: 14 mm

Brand FEIN
03331792
EAN 4014586469034
Supplier number FEIN 63127838003

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 features a 14 mm drill diameter and a maximum cutting depth of 35 mm.
What type of shank does this Fein core bit have?: The bit is equipped with a standard 3/4" Weldon shank for compatible magnetic drilling units.
Which materials is the HM Ultra 35 suitable for?: It is designed for drilling across various metal types, including structural steel and stainless steel.
What is the benefit of the TiAlSiN coating?: The TiAlSiN coating provides high heat and wear resistance, ensuring a long service life and reliable cutting performance.