What are the dimensions of this router bit?

The cutter has a diameter of 20 mm, a cutting length of 30 mm, and an overall length of 65 mm.

What shank size does this cutter have?

The router bit has an 8 mm shank (S8), making it compatible with any router equipped with an 8 mm collet.

Can this cutter plunge directly into the workpiece?

Yes, thanks to the carbide-tipped plunge blade (HW), you can plunge and drill straight into the material.

Does this groove cutter come with a guide bearing?

No, this bit has no ball bearing. Guide your cuts using a parallel side fence, a guide rail, or a guide bush with a template.

What are the main applications for this bit?

It is designed for routing wide grooves, rebates, and elongated holes in solid wood and wood-based panels.

FESTOOL HW S8 D20/30 groove cutter - 490972

Name: FESTOOL HW S8 D20/30 groove cutter - 490972
Brand: FESTOOL
SKU: 02332130
Price: 57.4 EUR
Availability: PreOrder

Supplier number: FESTOOL 490972 | EAN 4014549000717

Recommended Retail Price €72.13

57.40 tax incl.

€47.44 excl. VAT (incl. all environmental contributions)

On order: delivered from 13/10/2026

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Delivery by DHL

✆ Talk to a specialist

Clean and precise groove routing

Practical benefits

Effortless plunge cuts guaranteed: The brazed carbide drill point lets you plunge smoothly directly into solid wood or panels.
Reliable Festool routing control: The rigid 8 mm shank minimizes vibrations to deliver completely smooth cut surfaces.
Long lasting carbide edges: Wear-resistant carbide cutters maintain sharpness across demanding joinery and furniture making tasks.

In a nutshell

The right choise for

With the Festool hw S8 D20/30 groove cutter, you can route clean, splinter-free grooves and rebates exactly 20 mm wide. Thanks to the brazed carbide plunge blade, you can plunge and drill straight into solid wood and sheet materials with confidence. a cutting length of 30 mm gives you ample depth for deep joints, slots, and hardware recesses in furniture making and interior fitting. The robust 8 mm shank fits any router with an 8 mm collet, minimizing vibrations to give you full control and smooth, accurate results on every pass.

Product information FAQ

€57.40

tax incl.

Key features according to our expert

Diameter: 20 mm
Cutting length: 30 mm
Shank size (milling cutter): 8 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: 30 mm
Shank size (milling cutter): 8 mm
Router bit type: Straight cutter
With bearing: No
D: 20.00 mm
Nl: 30.00 mm
Gl: 65.00 mm
S: 8 mm

Brand FESTOOL
02332130
EAN 4014549000717
Supplier number FESTOOL 490972

Frequently asked questions about this product

Answered by specialists

What are the dimensions of this router bit?: The cutter has a diameter of 20 mm, a cutting length of 30 mm, and an overall length of 65 mm.
What shank size does this cutter have?: The router bit has an 8 mm shank (S8), making it compatible with any router equipped with an 8 mm collet.
Can this cutter plunge directly into the workpiece?: Yes, thanks to the carbide-tipped plunge blade (HW), you can plunge and drill straight into the material.
Does this groove cutter come with a guide bearing?: No, this bit has no ball bearing. Guide your cuts using a parallel side fence, a guide rail, or a guide bush with a template.
What are the main applications for this bit?: It is designed for routing wide grooves, rebates, and elongated holes in solid wood and wood-based panels.