Adjustable Chamfer MIlls

Shank Tools - Shell Mills - Reversed Shank Tools

K-Tool, Inc. AC Chamfer Mill

Shank Tools 

  • - Simple - Accurate - Versatile - Economical
  • - Predetermined alignment holes for: 0° - 15° - 30° - 45° - 60° - 75°
  • - Use an .093 dowel pin to align the align the holes for the predetermined angles
  • - Tighten cartridge lock screw, remove alignment pin and the tool is ready to go
 AC Shank Tool Illustration
Tool Info.
Adjustable Chamfer Mills - Shank Style
Tool # Flutes L L-1 S Cartridge Cartridge Screw Insert
AC-750 1 3 1.000 .750 AC2-Cart #25638 SDEB-2151P
AC-1250 1 3.5 1.500 .750 AC-Cart #83212 SPEB-422PA
AC-1500 1 3.5 1.500 .750
  • Alignment holes for 6 common chamfer angles or achieve any angle with a comparator
AC Shank Tools - Standard Preset Angle Dimensions
Angle Dimensions Referenced From Face Of Tool
Preset Angle 15° 30° 45° 60° 75°
Tool # D D-1 D D-1 D D-1 D D-1 D D-1 D D-1
AC-750 .750 - .770 .350 .810 .420 .820 .520 .810 .600 .790 .680
AC-1250 1.250 - 1.310 .450 1.390 .590 1.430 .790 1.390 .970 1.350 1.120
AC-1500 1.500 - 1.560 .700 1.640 .840 1.680 1.040 1.640 1.220 1.600 1.370
- Achieve Any Angle With A Comparator -
K-Tool, Inc.  Positive Top Insert Illustration
Insert Info.
Adjustable Chamfer Mill - Shank Tool
Insert # I.C. T R Screw Wrench Grade
SDEB-2151P .250 .093 .015 300T T-8 X33
SPEB-422PA .500 .125 .031 614T T-15 X33

Shell Mills

K-Tool, Inc. AC  Shell Mill

- Multiple Flutes For Higher Feed Rates

K-Tool, Adjustable Chamfer Mill illustration
Tool Info.
Adjustable Chamfer Mill - Shell Mount
Tool # Flutes L Bore Key Cartridge Cartridge Screw Insert
AC-3000 3 1.625 1.000 .375 AC3-Cart #83234 SPEB-432PA
  • Alignment holes for 6 common chamfer angles or achieve any angle with a comparator
AC Shell Mill - Standard Preset Angle Dimensions
Angle Dimensions Referenced From Face Of Tool
Preset Angle 15° 30° 45° 60° 75°
Tool # D D-1 D D-1 D D-1 D D-1 D D-1 D D-1
AC-3000 3.000 - 3.080 2.250 3.180 2.440 3.220 2.620 3.210 2.780 3.160 2.940
- Achieve Any Angle With A Comparator -
K-Tool, Inc.  Positive Top Insert Illustration
Insert Info.
Adjustable Chamfer Tool - Shell Mount
Insert # I.C. T R Screw Wrench Grades
SPEB-432PA .500 .187 .031 638T T-15 B1M / X40 / X33 / C55

Adjustable Chamfer Mills Reversed

K-Tool, Inc. ACR Picture
K-Tool, Inc. ACR - Drawing.png
Tool Info.
Adjustable Chamfer Mills Reversed
Tool # Flutes L L-1 S Cartridge Cartridge Screw Insert
ACR-1500 1 4.500 1.000 .750 AC-Cart #83212 SPEB-422PA
  • Alignment holes for 6 common chamfer angles or achieve any angle with a comparator
ACR Shank Tools - Standard Preset Angle Dimensions
Angle Dimensions Referenced From Back Face Of Tool
Preset Angle 15° 30° 45° 60° 75°
Tool # D D-1 D D-1 D D-1 D D-1 D D-1 D D-1
ACR-1500 1.500 - 1.560 .700 1.640 .840 1.680 1.040 1.640 1.220 1.600 1.370
- Achieve Any Angle With A Comparator -
K-Tool, Inc.  Positive Top Insert Illustration
Insert Info.
Adjustable Chamfer Mill Reverse
Insert # I.C. T R Screw Wrench Grades
SPEB-422PA .500 .125 .031 614T T-15 X33

Technical Data

Speed and Feed Info.
Adjustable Chamfer Mills
Adjustable Chamfer Mills Reversed
Material S.F.M. I.P.T.
Mild & Low Carbon Steel
Ex. 1018, 1020, 1117, 1141, 12L14
800 - 1200 .002 - .005
High Carbon & Alloy Steel
Ex. 1045, 4140, 4340, 52100, 8620
500 - 800 .002 - .004
Lower Carbon Tool Steel
Ex. P-20, H-13, S-7
400 - 700 .002 - .004
Tool Steel
Ex. A-2, A-6, D-2, M-2
300 - 600 .002 - .004
Stainless Steel
Ex. 304, 316, 420, 15-5PH, 17-4PH
300 - 600 .002 - .004
Iron
Ex. Cast, Ductile, Nodular
600 - 1000 .003 - .007
Nickel & Titanium Alloy
Ex. Inconel, Hastelloy, TI-6AL-4V
120 - 180 .001 - .002
Non-Ferrous Metal
Ex. Aluminum, Bronze, Brass
1000 - 2500 .003 - .007
Insert Grade Selection
Material Material Examples Preferred Grade
High & Low Carbon Steels 1018, 1020, 1117, 1141, 12L14 X33
High Carbon & Alloy Steels 1045, 4140, 4340, 52100, 8620 X33
Lower Carbon Tool Steels P-20, H-13, S-7 X33
Tool Steels A-2, A-6, D-2, M-2 X33
Stainless Steels 303, 304, 316, 420, 15-5PH, 17-4PH X33
Iron Cast, Nodular C55 / X33
Iron Ductile X33
Nickel & Titanium Alloys Inconel, Hastelloy, TI-6AL-4V X33
Non-Ferrous Metals Aluminum, Bronze, Brass X40 / B1M / X33
Insert Grade Description
Grade Description
B1M Uncoated Carbide - No Hone
C55 Multi-Layer Power Nitride Coating
X33 High Performance Nitride Coating
X40 Extremely Smooth Boride Coating
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