20° Multi-Purpose Chamfer Mills & 40° Included Long Edge Chamfer Mills

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20° Multi-Purpose Chamfer Mills

  • - Uses High Shear Positive Top Insert
  • - Free Cutting
  • - Excellent Part Finish
  • - Several Insert Grades Available
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Tool Info.
20° Multi-Purpose Chamfer Mills
Tool # Angle Flutes D D-1 D-2 D-3 L L-1 B S Insert Screw Wrench
A-5773 20° 2 .625 .525 N/A N/A 2.500 .750 .156 .500 SPEB-1511CB 164T T-6
A-5774 20° 2 1.125 .920 .812 .250 3.000 1.000 .312 .750 SPEB-322P 438T T-10
A-5777 20° 2 1.625 1.340 1.220 .440 3.250 1.250 .438 .750 SPEB-432PA 638T T-15
A-5775 20° 2 2.250 1.790 1.650 .438 3.750 1.500 .687 1.000 SPEB-6352PA 1012T T-25

Insert Info.

K-Tool, Inc.  Positive Top Insert Illustration
Insert Info.
20° Multi-Purpose Chamfer Mills
Insert # I.C. T R Grades
SPEB-1511CB .187 .082 .015 K11 / K22
SPEB-322P .375 .125 .031 B1M / D66 / K11 / X40
SPEB-432PA .500 .187 .031 B1M / D66 / K11 / X40
SPEB-6352PA .750 .220 .031 D66 / K11 / K22

40° Included Long Edge Chamfer Mills

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  • - Great For Large Chamfers
  • - Stacked Inserts Reduce Cutting Pressure
  • - Positive Top Inserts for High Shear Cutting
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Tool Info.
40° Included Long Edge Chamfer Mill
Tool # Angle Flutes Inserts D D-1 L L-1 L.O.C. S Insert Screw Wrench
CC-40 40° 4-2 Effective 8 2.030 1.386 3.125 1.125 .900 .750 SPEB-2522P 314T T-8

Insert Info.

K-Tool, Inc.  Positive Top Insert Illustration
Insert Info.
40° Long Edge Chamfer Mills
Insert # I.C. T R Grades
SPEB-2522P .312 .125 .031 B1M / C55/ K11 / X40

Technical Data

Speed and Feed Info.
Multi-Purpose & Long Edge Chamfer Mills
Material S.F.M. .625 Dia.
I.P.T.
1.125 - 2.250 Dia.
I.P.T.
Mild & Low Carbon Steel
Ex. 1018, 1020, 1117, 1141, 12L14
800 - 1200 .002 - .003 .003 - .007
High Carbon & Alloy Steel
Ex. 1045, 4140, 4340, 52100, 8620
500 - 800 .002 - .003 .002 - .006
Lower Carbon Tool Steel
Ex. P-20, H-13, S-7
400 - 700 .002 - .003 .002 - .006
Tool Steel
Ex. A-2, A-6, D-2, M-2
300 - 600 .001 - .003 .002 - .006
Stainless Steel
Ex. 304, 316, 420, 15-5PH, 17-4PH
300 - 600 .002 - .003 .002 - .006
Iron
Ex. Cast, Ductile, Nodular
600 - 1000 .002 - .003 .004 - .008
Nickel & Titanium Alloy
Ex. Inconel, Hastelloy, TI-6AL-4V
120 - 180 .001 - .002 .001 - .003
Non-Ferrous Metal
Ex. Aluminum, Bronze, Brass
1000 - 2500 .002 - .003 .004 - .010
Insert Grade Selection
20°
Multi-Purpose & 40° Longe edge Chamfer Mills
Material Material Examples Preferred Grade
High & Low Carbon Steels 1018, 1020, 1117, 1141, 12L14 K11 or X33
High Carbon & Alloy Steels 1045, 4140, 4340, 52100, 8620 K11 or X33
Lower Carbon Tool Steels P-20, H-13, S-7 K11 or X33
Tool Steels A-2, A-6, D-2, M-2 K11 or X33
Stainless Steels 303, 304, 316, 420, 15-5PH, 17-4PH K11 or X33
Iron Cast, Nodular D66 or C55 / K11 or X33
Iron Ductile K11 or X33
Nickel & Titanium Alloys Inconel, Hastelloy, TI-6AL-4V K11 / X33
Non-Ferrous Metals Aluminum, Bronze, Brass K22 or X40 / B1M / K11 or X33
Insert Grade Description
Grade Description
B1M Uncoated Carbide - No Hone
D66 Multi-Layer Dense Coating
K11 High Performance Nitride Coating
K22 Ultra Smooth Dense Coating
C55 High Performance Nitride Coating
X33 High Performance Nitride Coating
X40 Extremely Smooth Boride Coating
**X33 will be replaced with K11
as inventory runs out **
**X40 will be replaced with K22
as inventory runs out **
**C55 will be replaced with D66
as inventory runs out **
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