What are the dimensions of this groove cutter?

The cutter has a cutting diameter of 4 mm, a cutting length of 10 mm, and an 8 mm shank diameter.

Which routers are compatible with this groove cutter?

It fits all routers equipped with an 8 mm collet, including Festool OF 900, OF 1000, OF 1010, OF 1010 R, OF 1400, OF 2000, and OF 2200.

Does this router bit include a guide bearing?

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

What materials can you cut with this bit?

Thanks to its tungsten carbide (HW) cutting edges, it is suitable for solid wood and panel materials.

What is a 4 mm groove cutter typically used for?

It is ideal for routing narrow grooves for cabinet back panels, fittings, inlays, or seal profiles.

FESTOOL HW S8 D4/10 groove cutter - 490953

Name: FESTOOL HW S8 D4/10 groove cutter - 490953
Brand: FESTOOL
SKU: 02332097
Price: 39.8 EUR
Availability: PreOrder

Supplier number: FESTOOL 490953 | EAN 4014549000472

Recommended Retail Price €47.69

39.80 tax incl.

€32.89 excl. VAT (incl. all environmental contributions)

On order: delivered from 14/10/2026

blister

Ordered before 20:00 - delivered as of 14/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL

✆ Talk to a specialist

Precise and vibration-free groove cutting

Practical benefits

Solid tungsten carbide build: The solid carbide construction ensures you work with minimal vibration and reduces the risk of bit breakage.
Fits compatible Festool routers: The standard 8 mm shank secures firmly into your router collet for accurate, controlled cutting passes.
Clean 4 mm slots: Featuring a 10 mm cutting length, you cut crisp grooves for fittings, sliding doors, and back panels effortlessly.

In a nutshell

The right choise for

With the Festool groove cutter hw hm S8 D4/10, you mill clean and precise 4 mm wide slots in solid wood and panel materials. Its solid tungsten carbide construction provides exceptional break resistance and smooth, vibration-free operation across a 10 mm cutting length. This makes it ideal for cutting tear-free grooves for cabinet back panels, drawer bottoms, and fittings. Thanks to the standard 8 mm shank, this straight router bit fits securely into compatible Festool routers like the of 1010 or of 1400, giving you complete control and accuracy on every woodworking project.

Product information FAQ

€39.80

tax incl.

Key features according to our expert

Diameter: 4 mm
Cutting length: 10 mm
Shank size (milling cutter): 8 mm
Router bit type: Straight cutter
With bearing: No

Product description

Groove cutter

Whether for fittings, a rear wall or a sliding door, grooves can be used in a versatile manner. These are quickly created with a groove cutter of a suitable diameter.

The base blade allows plunge-cutting of the cutter into the workpiece
Long service lives are achieved thanks to the solid carbide design
Perfectly suited to a multitude of materials

Ideally suited for

More security against small diameter bits breaking because of the low vibration all tungsten carbide cutter design
The partially ground standard tungsten carbide blade provides an increased service life when drilling panel materials

All Features

Diameter: 4 mm
Cutting length: 10 mm
Shank size (milling cutter): 8 mm
Router bit type: Straight cutter
With bearing: No
D: 4.00 mm
Nl: 10.00 mm
Gl: 45.00 mm
S: 8 mm

Brand FESTOOL
02332097
EAN 4014549000472
Supplier number FESTOOL 490953

Frequently asked questions about this product

Answered by specialists

What are the dimensions of this groove cutter?: The cutter has a cutting diameter of 4 mm, a cutting length of 10 mm, and an 8 mm shank diameter.
Which routers are compatible with this groove cutter?: It fits all routers equipped with an 8 mm collet, including Festool OF 900, OF 1000, OF 1010, OF 1010 R, OF 1400, OF 2000, and OF 2200.
Does this router bit include a guide bearing?: No, this straight groove cutter has no ball bearing. It is guided using a parallel side fence, guide rail, or guide bushing.
What materials can you cut with this bit?: Thanks to its tungsten carbide (HW) cutting edges, it is suitable for solid wood and panel materials.
What is a 4 mm groove cutter typically used for?: It is ideal for routing narrow grooves for cabinet back panels, fittings, inlays, or seal profiles.