Which hole diameters can you drill with this step drill bit?

You can drill various ISO sizes ranging from 6.5 mm to 40.5 mm.

What type of shank does the Facom 678006 have?

It features a 10 mm cylindrical shank with 3 flats to prevent slippage in the drill chuck.

Do you need a pilot hole before drilling?

No, this step drill bit does not require pre-drilling or a pilot hole.

What is the maximum sheet thickness this bit can drill?

It is suitable for drilling sheet metal up to 4 mm thick.

FACOM 678006 stepped ISO drill bit

Name: FACOM 678006 stepped ISO drill bit
Brand: FACOM
SKU: 41298880
Price: 91.2 EUR
Availability: InStock

Supplier number: FACOM 678006 | EAN 3148516780065

Recommended Retail Price €106.48

91.20 tax incl.

€75.37 excl. VAT (incl. all environmental contributions)

On stock - immediately available

Ordered before 20:00 - delivered tomorrow 03/10/2026
Shipping costs €6.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL
Lifetime warranty on Facom? Or limited in time? Read more about it here.

✆ Talk to a specialist

Accurate drilling without pilot holes

Practical benefits

Direct starting without wandering: You start drilling straight away without a pilot hole thanks to the precise self-centering geometry.
Secure grip prevents slipping: The Facom shank with three flats ensures positive drive and avoids micro-jamming in the chuck.
Versatile sheet metal drilling: You produce clean, burr-free holes from 6.5 to 40.5 mm in sheet metal up to 4 mm.

In a nutshell

The right choise for

With the Facom 678006 stepped iso drill bit, you create precise, clean holes in sheet metal and electrical enclosures quickly and efficiently. Thanks to the self-centering tip, you can start drilling immediately without a pilot hole or constant bit changes. Covering a versatile range from 6.5 to 40.5 mm, it easily handles sheet metal up to 4 mm thick. The 10 mm cylindrical shank with 3 flats provides a positive drive in your drill chuck, preventing slippage and micro-jamming under load. This allows you to drill and deburr accurate holes for cable glands with complete control.

Product information FAQ

€91.20

In stock - tax incl.

Key features according to our expert

Smallest diameter: 6,5 mm
Shank size: 10 mm
Supplier warranty: FACOM - Legal warranty applicable
Largest diameter: 40,5 mm

Product description

Stepped ISO drill bit

Features

For cylindrical and precise drilling in all materials.
No pre-drilling required.
Cylindrical shank with 3 bumping edges, for good drive preventing micro-blocking.
Marking of the different diameters.
678014: Especially for PG gland bushings.
Can pierce sheet metal of up to 4 mm thickness.
Shank diameter 10 mm.

All Features

Smallest diameter: 6,5 mm
Shank size: 10 mm
Supplier warranty: FACOM - Legal warranty applicable
Largest diameter: 40,5 mm
Greatness: ISO
Number of drilling steps: 11
Max. drilling diameter (mm): 40.5
With deburring machine: Yes
Number of cutting edges: 11
Max. sheet thickness (mm): 4
With cooling channel: No
Min. drill diameter (mm): 6.5
Interchangeable centring tip: Yes
Carbide version: Yes
Spiral groove: Yes
Shaft diameter (mm): 10
Blunt nose tip: No

Brand FACOM
41298880
EAN 3148516780065
Supplier number FACOM 678006
Warranty Lifetime warranty on Facom? Or limited in time? Read more about it here.

Frequently asked questions about this product

Answered by specialists

Which hole diameters can you drill with this step drill bit?: You can drill various ISO sizes ranging from 6.5 mm to 40.5 mm.
What type of shank does the Facom 678006 have?: It features a 10 mm cylindrical shank with 3 flats to prevent slippage in the drill chuck.
Do you need a pilot hole before drilling?: No, this step drill bit does not require pre-drilling or a pilot hole.
What is the maximum sheet thickness this bit can drill?: It is suitable for drilling sheet metal up to 4 mm thick.