What is the shank diameter of this groove cutter?

This cutter has a 12 mm shank diameter and requires a router with a 12 mm collet.

What are the cutting dimensions of this router bit?

The cutter has a cutting diameter of 20 mm and a working cutting length of 45 mm.

Does this groove cutter have a guide bearing?

No, this straight groove cutter has no ball bearing and is guided using a parallel fence, template, or guide rail.

Which Festool routers are compatible with this bit?

It is compatible with Festool routers accepting a 12 mm collet, such as the OF 1400, OF 2000, and OF 2200.

What applications is this cutter designed for?

It is designed for routing grooves, rebates, and elongated holes in solid wood and panel materials.

FESTOOL HW S12 D20/45 groove cutter - 491093

Name: FESTOOL HW S12 D20/45 groove cutter - 491093
Brand: FESTOOL
SKU: 02332157
Price: 103.95 EUR
Availability: PreOrder

Supplier number: FESTOOL 491093 | EAN 4014549076095

Recommended Retail Price €125.21

103.95 tax incl.

€85.91 excl. VAT (incl. all environmental contributions)

On order: delivered from 12/10/2026

blister

Ordered before 20:00 - delivered as of 12/10/2026
Shipping costs €6.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL

✆ Talk to a specialist

Clean and deep grooving with Festool

Practical benefits

Smooth and accurate cuts: Optimized cutting geometry paired with sharp carbide edges gives you flawless groove surfaces in solid wood and sheet materials.
Maximum stability during routing: A solid 12 mm shank minimizes vibration and maintains firm cutter guidance across demanding milling tasks.
Durable for plunge cutting: The brazed tungsten carbide base blade provides extended tool life even when you plunge directly into workpieces.

In a nutshell

The right choise for

With the Festool hw S12 D20/45 groove cutter, you can route clean, accurate grooves 20 mm wide and up to 45 mm deep in solid wood and sheet materials. Its solid 12 mm shank provides maximum stability and minimizes vibration during demanding routing tasks. The brazed tungsten carbide base blade and optimized cutting geometry deliver splinter-free edges and long service life, even when plunge cutting directly into the workpiece. This router bit is ideal for mortises, rebates, slots, and joints when used with a Festool router such as the of 1400, of 2000, or of 2200.

Product information FAQ

€103.95

tax incl.

Key features according to our expert

Diameter: 20 mm
Cutting length: 45 mm
Shank size (milling cutter): 12 mm
Router bit type: Straight cutter
With bearing: No

Product description

Groove cutter

If you wish to achieve perfect cutting results with ease when drilling, grooving, rebating and long-hole routing, you are best advised to use the HW groove cutter. The cutter cuts precisely, makes drilling easier and has a long service life.

Long router bit service life even for plunge cutting because of the soldered standard tungsten carbide blade
An optimal cutter geometry, a stable cutter shaft and the proper sharpness ensure flawless surfaces

Ideally suited for

Grooves in furniture manufacturing
Routing fittings
Rebating of solid wood and panel material
Working with templates

All Features

Diameter: 20 mm
Cutting length: 45 mm
Shank size (milling cutter): 12 mm
Router bit type: Straight cutter
With bearing: No
D: 20.00 mm
Nl: 45.00 mm
Gl: 90.00 mm
S: 12 mm

Brand FESTOOL
02332157
EAN 4014549076095
Supplier number FESTOOL 491093

Frequently asked questions about this product

Answered by specialists

What is the shank diameter of this groove cutter?: This cutter has a 12 mm shank diameter and requires a router with a 12 mm collet.
What are the cutting dimensions of this router bit?: The cutter has a cutting diameter of 20 mm and a working cutting length of 45 mm.
Does this groove cutter have a guide bearing?: No, this straight groove cutter has no ball bearing and is guided using a parallel fence, template, or guide rail.
Which Festool routers are compatible with this bit?: It is compatible with Festool routers accepting a 12 mm collet, such as the OF 1400, OF 2000, and OF 2200.
What applications is this cutter designed for?: It is designed for routing grooves, rebates, and elongated holes in solid wood and panel materials.