What drilling diameters does this step drill bit offer?

It steps through diameters of 4, 5, 6, 7, 8, 9, 10, 11, and 12 mm.

What type of shank does the Facom 229A.ST0 have?

It has a 6 mm cylindrical shank with 3 flats to prevent slippage in the drill chuck.

Is a pilot hole required before drilling?

No, the self-centering point allows direct, accurate drilling without pre-drilling.

What is the overall length of this drill bit?

The total length of the step drill bit is 65 mm.

FACOM 229A.ST0 stepped drill

Name: FACOM 229A.ST0 stepped drill
Brand: FACOM
SKU: 41295674
Price: 59.2 EUR
Availability: PreOrder

Supplier number: FACOM 229A.ST0 | EAN 3148516301253

Recommended Retail Price €87.66

59.20 tax incl.

€48.92 excl. VAT (incl. all environmental contributions)

On order: delivered from 12/10/2026

Ordered before 20:00 - delivered as of 12/10/2026
Shipping costs €11.99 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

Clean and accurate drilling

Practical benefits

Fast start without pilot: The Facom stepped drill bit allows you to drill directly without a pilot hole thanks to its self-centering split point design.
Secure grip without slipping: A 3-flat cylindrical shank prevents micro-jamming and slipping in your drill chuck, ensuring smooth power transfer while working.
Laser etched size markings: You can easily verify your drilling depth from 4 to 12 MM with clear, wear-resistant diameter markings inside the flute.

In a nutshell

The right choise for

With the Facom 229A.ST0 step drill bit, you can create clean, accurate holes in thin sheet steel, aluminium, and plastic without constantly swapping bits. The self-centering split point lets you start drilling immediately without needing a pilot hole or wandering off mark. It steps smoothly through diameters from 4 to 12 MM, with laser-etched markings inside the flute for clear size identification. The 6 MM cylindrical shank with 3 flats prevents slipping and micro-jamming in your drill chuck. This ensures full control and efficient power transfer when creating cable entries or enlarging existing holes.

Product information FAQ

€59.20

tax incl.

Key features according to our expert

Smallest diameter: 4 mm
Shank size: 6 mm
Supplier warranty: FACOM - Legal warranty applicable
Largest diameter: 12 mm

Product description

229A.ST - Stepped drills

Features

For cylindrical and precise drilling in all materials.
HSS steel.
Cylindrical shank with 3 flat sides, for good drive preventing micro-blocking.
Laser marking of the different diameters in a groove.

All Features

Smallest diameter: 4 mm
Shank size: 6 mm
Supplier warranty: FACOM - Legal warranty applicable
Largest diameter: 12 mm
Carbide version: Yes
Number of drilling steps: 9
Cutting material: HSS
Max. drilling diameter (mm): 12
With deburring machine: Yes
Number of cutting edges: 9
With cooling channel: No
Min. drill diameter (mm): 4
Spiral groove: Yes
Interchangeable centring tip: Yes
Shaft diameter (mm): 6
Cutting direction: Right
Blunt nose tip: No

Brand FACOM
41295674
EAN 3148516301253
Supplier number FACOM 229A.ST0
Warranty Lifetime warranty on Facom? Or limited in time? Read more about it here.

Frequently asked questions about this product

Answered by specialists

What drilling diameters does this step drill bit offer?: It steps through diameters of 4, 5, 6, 7, 8, 9, 10, 11, and 12 mm.
What type of shank does the Facom 229A.ST0 have?: It has a 6 mm cylindrical shank with 3 flats to prevent slippage in the drill chuck.
Is a pilot hole required before drilling?: No, the self-centering point allows direct, accurate drilling without pre-drilling.
What is the overall length of this drill bit?: The total length of the step drill bit is 65 mm.