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Mafell NFU 50 - The groove router for professionals in timber construction
Mafell NFU 50 - The groove router for professionals in timber construction
Prices excl. VAT, plus shipping costs

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Estimated delivery (DE): Jun 05 - Jun 09
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MAFELL NFU 50 – The grooving machine for professionals in timber construction
The MAFELL NFU 50 is more than just a groove cutter – it's a powerful precision tool for demanding timber construction. With its robust construction, high cutting power, and maximum cutting depth of 50 mm, it's ideal for tenon joints, longitudinal grooves, planks, and much more. Its compact design and intelligent features, such as the integrated quick adjustment and tool-free release from the guide rail, make the NFU 50 the perfect companion on the construction site.
&Now available in Roof PRO Shop – Your online specialist retailer for high-quality carpentry.Application && Handling
The NFU 50 impresses with its ergonomic operation and clear view of the cutting line. The rotating extraction nozzle (58 mm) enables clean work even with large amounts of chippings – perfect when combined with a professional dust extractor.
Flexibility in every application
Thanks to the swivel range of 0° to 45°, even precise angled grooves can be easily created. The machine can be removed from the rail with just one hand – for freehand milling or hard-to-reach areas.
Accuracy and leadership
The included Guide device L enables controlled, linear milling up to 370 mm in length – ideal for timber framing infills, notches and more.
Robust, powerful, well thought out
The combination of Die-cast magnesium housing, glass-fiber reinforced plastic parts and high-quality workmanship make the NFU 50 particularly durable – even under the toughest construction site conditions.
Technical data
| feature | Value |
|---|---|
| Rated power | 2,300 W |
| Tension | 230 V |
| Idle speed | 5,900 rpm |
| Milling depth without rail | 0 – 50 mm |
| Milling depth with rail | 0 – 44 mm |
| Swivel range | 0° – 45° |
| Milling length with guide | 370 mm |
| Weight (including rail) | 9.4 kg |
| Dimensions (W × L × H) | 370 × 810 × 280 mm |
Scope of delivery (item no.971901)
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Milling head Ø 163 × 60 mm
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Position indicator NFU-PA
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Side stop SA 625
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Parallel stop
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Guide device L (370 mm)
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Screwdriver SW 6
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Torx key T15
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Connection cable 10 m
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Delivery in a box
Advantages at a glance
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Powerful CUprex motor with high milling performance
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2-in-1 depth adjustment for fast work
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Hydraulic quick stop brake with LED safety signal
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One-click solution for rail release
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Ideal for longitudinal grooves, tenons, bevel cuts and notches
More about MAFELL NFU 50 grooving machine and matching accessories can now be found in Roof PRO Shop – Expert quality for professional wood processing.
High customer satisfaction
Sticks like hell
Rating for the sealing adhesive: Top for roof repairs!
The sealant is easy to apply, adheres perfectly, even to damp surfaces, and remains flexible after curing. Highly recommended!
Very good
I've been using the seam closer for a week now, and I have to say, it's simply fantastic: lightweight, robust, and the black rubber caps are fantastic at preventing it from slipping off quickly. Absolutely top-notch.
Friend winding core
An absolute must-have! No more flat rolls, easy to use, and the even pressure ensures a seamless seam. Will be reordering immediately!
Greetings from Niklas Bothe


