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Mafell NFU32 Groove Cutter
About Mafell
NFU32 Catalog Sheet
Metric to English Conversion Tables

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In timber framing and log home manufacturing, there are so many reasons to cut grooves in your timbers and now there is an innovative tool for precisely making these grooves. The Mafell NFU32 utilizes a unique expanding groove cutter head with reversible TCT knives, which can be quickly adjusted with spacer rings up to a maximum width of 1-1/16".

With its powerful 230V motor, there is no virtually no limit to what you can cut with this tool. The NFU32 cuts grooves as deep as 1-1/4", at angles up to 45°, and comes with a parallel fence for accurate ripping. Reversible TCT knives ensure tear-free cuts, and an available guide track enables accurate square or angle cuts. This is a cost effective and reliable groover.

Cutting tool diameter: 125mm (4-15/16")
Cutting tool width: 15.4-26.5mm (5/8"- 1-1/16")
Cutting depth: 0-32mm (0 - 1-1/4")
Tilt range: 0-45°
Normal load speed: 2440 1/m
Cutting speed nominal load: 16 meters/s
Universal motor: 230v
Nominal input: 1600w
Nominal output: 1120w
Weight: 18 lbs

Standard Equipment
Expanding grooving cutter with reversible knives with reversible TCT knives, 125 x 15.4-26.5 x 30mm
Parallel guide fence
Riving knife/splitter
Allen key - SW4
Allen key - SW6
Ring spanner
13 ft cord

Grooving with guide track
Guide used for rafters
Expanding grooving cutter
Purchase a
120v to 240v
Power Converter


Part No. Description Quantity   Price Belongs To...
091418 Expanding grooving cutter head with knives
$800.00 MAF-NFU 32
034907 Reversible Square Knife 14x14x2mm (sold individually, need 4 per cutter head)
$8.10 MAF-NFU 32
201544 Reversible Flat Cutter Knife 15x12x1.5mm (sold individually, need 4 per cutter head)
$8.70 MAF-NFU 32

Also check out these notchers!
Mafell ZK115Ec Groove Cutter
Protool CSP132E

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