Button Cutters - Series #4

1.125 - 1.500 Diameter Endmill Style

K-Tool, Inc. Series #4 Button Cutter
  • - Radial chip thinning allows for higher feed rates
  • - Extremely free cutting positive top inserts
  • - Ground & molded inserts available.
  • - Available in multiple grades
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Tool Info.
Series #4 Button Cutters
Tool # D B Flutes L L-1 S Plunge Ramp Ground Inserts Molded Inserts
BC4-1125 1.125 .250 2 4.000 1.750 1.000 .055 RCEB-435G RCEB-435
BC4-1125L 1.125 .250 2 5.625 3.375 1.000 .055
BC4-1125XL 1.125 .250 2 7.875 5.625 1.000 .055
BC4-1500 1.500 .250 3 4.500 2.250 1.000 .070
BC4-1500L 1.500 .250 2 6.750 4.500 1.250 .070
BC4-1500XL 1.500 .250 2 10.187 7.500 1.500 .070

Series #4 - Shell Mills

  • Shell Mill Style:
  • 2.000 - 4.000 Diameter
K-Tool, Inc. series #4  BC Shell Mill
K-Tool, Inc. Series #4 button cutter
Series #4 Button Cutter
Shell Mill
Tool # D B Flutes L Bore Key Plunge Ramp Ground Inserts Molded Inserts
BC4-2000 2.000 .250 4 1.750 .750 .312 .100 RCEB-435G RCEB-435
BC4-3000 3.000 .250 5 1.750 1.000 .375 .120
BC4-4000 4.000 .250 6 1.750 1.500 .625 .120

insert info

Ground & Molded Inserts

  • - Ground inserts will reduce tool pressure & provide a better finish over molded inserts
  • - Molded round inserts will provide reduced cutting pressure over a square shoulder mill without the cost of a ground insert

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Insert Info.
.500 I.C. - Ground
Insert # I.C. T Screw Wrench Grades
RCEB-435G .500 .220 838T T-20 B1M / X33 / X40
Insert Info.
.500 I.C. - Molded
Insert # I.C. T Screw Wrench Grades
RCEB-435 .500 .220 838T T-20 X33 / A10M

Technical Data

Speed and Feed Info.
Series #4 Button Cutter
Material S.F.M. I.P.T.
Mild & Low Carbon Steel
Ex. 1018, 1020, 1117, 1141, 12L14
800 - 1200 .010 - .030
High Carbon & Alloy Steel
Ex. 1045, 4140, 4340, 52100, 8620
500 - 800 .008 - .020
Lower Carbon Tool Steel
Ex. P-20, H-13, S-7
400 - 700 .008 - .020
Tool Steel
Ex. A-2, A-6, D-2, M-2
300 - 600 .008 - .020
Stainless Steel
Ex. 304, 316, 420, 15-5PH, 17-4PH
300 - 600 .006 - .016
Iron
Ex. Cast, Ductile, Nodular
600 - 1000 .010 - .030
Nickel & Titanium Alloy
Ex. Inconel, Hastelloy, TI-6AL-4V
120 - 180 .004 - .008
Non-Ferrous Metal
Ex. Aluminum, Bronze, Brass
1000 - 2500 .010 - .040
Insert Grade Selection
RCEB ( Ground Inserts )
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 X33
Iron Ductile X33
Nickel & Titanium Alloys Inconel, Hastelloy, TI-6AL-4V X33
Non-Ferrous Metals Aluminum, Bronze, Brass X40 / B1M
Insert Grade Selection
RCEB ( Molded Inserts )
Material Material Examples Preferred Grade
High & Low Carbon Steels 1018, 1020, 1117, 1141, 12L14 X33 / A10M
High Carbon & Alloy Steels 1045, 4140, 4340, 52100, 8620 X33 / A10M
Lower Carbon Tool Steels P-20, H-13, S-7 X33 / A10M
Tool Steels A-2, A-6, D-2, M-2 X33 / A10M
Stainless Steels 303, 304, 316, 420, 15-5PH, 17-4PH X33 / A10M
Iron Cast, Nodular X33 / A10M
Iron Ductile X33 / A10M
Nickel & Titanium Alloys Inconel, Hastelloy, TI-6AL-4V X33 / A10M
Non-Ferrous Metals Aluminum, Bronze, Brass X33 / A10M
Insert Grade Description
RCEB Inserts
Grade Description
A10M TIALN / TIN Coated Carbide
X33 High Performance Nitride Coating
B1M Uncoated Carbide - No Hone
X40 Extremely Smooth Boride Coating
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