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3 & 4-flute Carbide Tapered Ball-Nose Carving tools - 1/4 in. (0.250 in.) Shank

  • Geometry - 3 & 4 flute, tapered high-shear grind, ball-nose tip, 1/4 in. (6.35 mm) shank
  • Length - 2.5in. (63.5mm) 0.010in.
  • Tip diameter - nominal 0.0005 in.
  • Taper angle - nominal 0.10°
  • Runout (TIR) - max 0.0002 in.
  • Max. depth of cut - nominal 0.100 in.
  • Anticipated Life - depends on material being cut
  • Material - solid submicrograin carbide
  • Operating RPM - CNC certified operation 1k RPM to 40k RPM


  • High-shear ball-nose tip cuts smooth 3D contours with reduced stepping, and minimal fuzzing
  • High flute volume supports high feed rates / chip loads
  • High aspect ratio for single pass deep-reach cutting
  • Optimized flute geometry and low TIR insures clean cutting, virtually eliminating sanding and fuzz removal
    (when used with low TIR spindles).


  • Dimensional signage
  • Precision 3D carving
  • 3D contouring and profiling
  • Cabinetry and furniture making
  • 3D millwork
  • Compatible with CarveWright and CompuCarve woodworking systems.
Application Data (tool description for CAM software)
  • Tool Type: Tapered Ball Nose
  • Shank Diameter = 0.250"
  • Half angle (side angle)
    • 0.0313in. (1/32in.) dia. tip: 6.2°
    • 0.0625in. (1/16in.) dia. tip: 5.4°
    • 0.1250in. (1/8in.) dia. tip: 3.6°
    • 0.2498in. (1/4in.) dia. tip: 0.1°
  • Tip radius = nominal 0.001"
  • Stepdown (pass depth, depth per pass)- 2 X tip diameter max
  • Stepover:
    • roughing pass (stepover) = 0.25 X tip diameter
    • finishing pass (clearance, cleanup pass) = 0.10 X tip diameter
  • Depth of Cut (DOC) = 1.074"
  • Stepover (for final cleanup pass) = 0.10 X tip diameter
  • Stepover (for roughing, clearance pass) = 0.25 to 0.40 X tip diameter
  • Spindle RPM (SPEED) = 5 KRPM to 60 KRPM (optimum speed)
  • Feedrate (IPM) = Depends on the material being cut. Do the Sweetspot Test before setting this parameter
    (go to:
  • Plunge rate = 10 IPM to 25 IPM (again depending on material being cut)



  • High Density Urethane (HDU)
  • Hardwood - walnut, redwood, maple, rosewood, ebony, epe ...
  • Plastic - PVC, HDP, MDP, acrylic, polycarbonate ...
  • Metal - zinc, aluminum, copper, brass, bronze, silver, gold...

Carbide Tapered-stub carving and engraving tools for softwoods, hardwoods, non-ferrous metals and plastics
4-flute Carving Tip
2-Flute 4-Flute

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Updated 10/10/2016 12:00:21 PM