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This is what we stand for! You will find innovative products for woodworking with us. We focus primarily on milling, sawing, and drilling.


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    • CNC Routing
    • CNC Router Cutters
    • Spiral Slot Cutters - Solid Carbide

    Spiral Slot Cutters - Solid Carbide

    Category image

    The spiral-shaped flute, as known from classic twist drills, enables a continuous pulling cut. This leads to significantly less vibration than classic end mills with vertical cutting edges.

    Difference between right-hand and left-hand twist?

    Right-hand twist spiral end mills are particularly suitable for a clean milling base and transport chips away quickly and safely to the top. However, chipping may occur on the top of the workpiece. , on the other hand, prevent tearing on the top of the workpiece, but push the chips downwards onto the bottom of the flute.

    • Spiral Slot Cutter 3mm Shaft
      Spiral Slot Cutter 3mm Shaft
    • Spiral Slot Cutter 6mm Shaft
      Spiral Slot Cutter 6mm Shaft
    • Spiral Slot Cutter 8mm Shaft
      Spiral Slot Cutter 8mm Shaft
    • CNC Spiral Slot Cutters - Other sizes
      CNC Spiral Slot Cutters - Other sizes
    KleinDia finishing cutter Z2 for Corian, Ø8mm

    KleinDia finishing cutter Z2 for Corian, Ø8mm

    D: 8 mm l NL: 35 mm l SL: 40 mm l GL: 80 mm l Right-hand twist
    80,80 €
    Spiral Slot Routing Cutter - Tungsten-Carbide D3

    Spiral Slot Routing Cutter - Tungsten-Carbide D3

    D: 3 mm l NL: 12 mm l SL: 46 mm l GL: 60 mm l Left-hand twist
    44,32 €
    Spiral Groove Cutter VHM 5mm

    Spiral Groove Cutter VHM 5mm

    D:- 5 mm l NL:- 17 mm |; GL: 50 mm | Left twist
    33,56 €
    DIA® PERFORMANCE roughing cutter D 5mm, B 17 mm

    DIA® PERFORMANCE roughing cutter D 5mm, B 17 mm

    D:- 5 mm l NL:- 17 mm |; GL: 50 mm | Left twist
    55,42 €
    Spiral Groove Cutter VHM 10mm

    Spiral Groove Cutter VHM 10mm

    D:- 10 mm l NL:- 45 mm |; GL: 100 mm | Left twist
    91,34 €
    Finishing Cutter  D: 8 mm

    Finishing Cutter D: 8 mm

    D 8 mm | NL 32 mm | GL 80 mm | S 8 mm | Z 2 | Down Cut
    68,89 €
    DIA® PERFORMANCE roughing cutter D 10mm, B 45 mm

    DIA® PERFORMANCE roughing cutter D 10mm, B 45 mm

    D 10 mm l NL 45 mm | GL 100 mm | Left twist
    117,51 €
    Spiral Slot Routing Cutter - Tungsten-Carbide D5

    Spiral Slot Routing Cutter - Tungsten-Carbide D5

    D: 5 mm l NL: 17 mm l SL: 40 mm l GL: 60 mm l Left-hand twist
    43,53 €
    Spiral Groove Cutter VHM 4mm

    Spiral Groove Cutter VHM 4mm

    D:- 4 mm l NL:- 12 mm |; GL: 50 mm | Left twist
    29,14 €
    DIA® PERFORMANCE Spiral groove cutter D 3 mm - Z2

    DIA® PERFORMANCE Spiral groove cutter D 3 mm - Z2

    D: 3 mm | B: 12 mm | L: 50 mm | left-hand twist | 2-edged
    48,10 €
    Mini Spiral Slot Routing Cutter

    Mini Spiral Slot Routing Cutter

    Mini Spiral Slot Routing Cutter with left-hand twist | D:2 | NL:15/64"(6 mm) | GL:38 mm | S:3 mm
    52,48 €
    Mini Spiral Slot Routing Cutter

    Mini Spiral Slot Routing Cutter

    D: 3 mm | SL: 12 mm | GL: 38 mm | S: 3 mm | Z: 2 | left-hand twist
    52,48 €
    Spiral Groove Cutter VHM 3mm

    Spiral Groove Cutter VHM 3mm

    D:- 3 mm l NL:- 12 mm |; GL: 50 mm | Left twist
    25,79 €
    Spiral Slot Routing Cutter - Tungsten-Carbide

    Spiral Slot Routing Cutter - Tungsten-Carbide

    D: 8 mm | NL: 35 mm | SL: 42 mm | GL: 80 mm | Left-hand twist
    58,74 €
    Spiral Slot Routing Cutter - Tungsten-Carbide

    Spiral Slot Routing Cutter - Tungsten-Carbide

    D: 8 mm l NL: 22 mm l SL: 56 mm l GL: 80 mm l Left-hand twist
    48,86 €
    Mini Spiral Slot Routing Cutter

    Mini Spiral Slot Routing Cutter

    D: 3 mm | SL: 25 mm | GL: 65 mm | S: 3 mm | Z: 2 | Linksdrall
    108,85 €
    Spiral Slot Routing Cutter - Tungsten-Carbide D4

    Spiral Slot Routing Cutter - Tungsten-Carbide D4

    D: 4 mm l NL: 14 mm l SL: 43 mm l GL: 60 mm l Left-hand twist
    44,32 €
    DIA® PERFORMANCE roughing cutter D 6mm, B 17 mm

    DIA® PERFORMANCE roughing cutter D 6mm, B 17 mm

    D:- 6 mm l NL:- 17 mm |; GL: 70 mm | Left twist
    63,07 €
    Spiral Groove Cutter VHM 12mm

    Spiral Groove Cutter VHM 12mm

    D:- 12 mm l NL:- 45 mm |; GL: 100 mm | Left twist
    115,85 €
    Spiral Slot Routing Cutter - Tungsten-Carbide D7

    Spiral Slot Routing Cutter - Tungsten-Carbide D7

    D: 7 mm l NL: 32 mm l SL: 46 mm l GL: 80 mm l Left-hand twist
    60,55 €
    DIA® PERFORMANCE roughing cutter D 8mm, B 22 mm

    DIA® PERFORMANCE roughing cutter D 8mm, B 22 mm

    D:- 8 mm l NL:- 22 mm |; GL: 80 mm | Left twist
    89,00 €
    DIA® PERFORMANCE roughing cutter D 4mm, B 12 mm

    DIA® PERFORMANCE roughing cutter D 4mm, B 12 mm

    D:- 4 mm l NL:- 12 mm |; GL: 50 mm | Left twist
    50,38 €
    Spiral Slot Routing CutterLeft twist

    Spiral Slot Routing CutterLeft twist

    D: 8 mm l NL: 25 mm l SL: 38 mm l GL: 63 mm l Left-hand twist l  Professional
    60,57 €
    Spiral Groove Cutter VHM 6mm

    Spiral Groove Cutter VHM 6mm

    D:- 6 mm l NL:- 27 mm |; GL: 70 mm | Left twist
    45,74 €
    Show more products

    Spiral flute cutter for CNC machining.

    The spiral groove, as known from classic twist drills, enables a continuous pulling cut. This leads to significantly less vibration than classic end mills with vertical cutting edges.

    Difference between right-hand and left-hand twist

    Right-hand spiral groove cutters are particularly suitable for a clean milling base and transport chips away quickly and safely to the top. However, chipping may occur on the top of the workpiece. Left-hand spiral groove cutters, on the other hand, prevent tear-out on the top of the workpiece, but push the chips downwards onto the groove base.

    Cutters with left-hand spiral groove prevent tear-out on the top of the workpiece, but push the chips downwards onto the groove base.

    Right-hand twist: Chip removal upwards.

    Left-handed twist: Chip removal downwards.

    Advantages of the DIA® PERFORMANCE finishing cutters.

    • Stand life 4-5 x higher than solid carbide
    • Right-hand twist for clean groove base
    • Spiral cutting edges upwards for fast pull-through.
    • Excellent end milling results
    • Better chip clearance
    • Low coefficient of friction for low working temperature
    • Machining of aluminium and plastic materials without lubricant

     

    Excellent results with the following materials:

     

    • Hardwood, and softwood
    • Mineral materials (e.g. CORIAN)
    • Plastics (acrylic materials, Plexiglas, HDPE)
    • Composite materials (HPL, AluDibond, Trespa ...)