.375 - .656 Diameter Drill Mills

1 Flute Effective Center Cutting Endmill

DM-375 - 656.png
  • - Cuts a flat bottom within .001
  • - Uses the same insert in both pockets
  • - Center cutting
  • - Drill from solid or ramp into a part at any angle
  • - Ideal for pocket milling
  • - Drilling shallow depth flat bottom holes
  • - 4 cutting edges per insert
.375 - .656 Dia. Drill Mill
Tool Info.
.375 - .656 Dia. Drill Mills
Tool # D Inserts L L-1 B S Postitive Top
Inserts
Chipbreaker
Inserts
Screw Wrench
DM-375 * .375 1 2.500 .625 .170 .500 N/A SDEB-1511CB 164T T-6
DM-500 * .500 1 2.625 .625 .235 .500 SDEB-2151P SDEB-2151CB 300T T-8
DM-502 .500 2 2.625 .875 .170 .500 N/A SPEB-1511CB 164T T-6
DM-531 .531 2 2.625 .875 .170 .500
DM-562 .562 2 3.000 1.000 .170 .750
DM-593 .593 2 3.000 1.000 .170 .750
DM-625 * .625 1 3.000 1.000 .280 .750 SDEB-2522P SDEB-2522CB 300T T-8
DM-6252 .625 2 3.000 1.000 .170 .750 N/A SPEB-1511CB 164T T-6
DM-656 .656 2 3.000 .940 .170 .750 N/A SPEB-1511CB 164T T-6
* Single Insert Tool Design

Insert Info.

SPEB / SDEB - Chipbreaker Illustration.png
Chipbreaker Insert Info.
.375 - .656 Dia. Drill Mills
Insert # I.C. T R Grades
SDEB-1511CB .187 .082 .015 X33 / X40
SPEB-1511CB .187 .082 .015 X33 / X40
SDEB-2151CB .250 .093 .015 X33 / X40
SDEB-2522CB .312 .125 .031 X33 / X40
Use Chipbreaker Inserts for Drilling, Plunging & Counterboring
K-Tool, Inc.  Positive Top Insert Illustration
Positive Top Insert Info.
.375 - .656 Dia. Drill Mills
Insert # I.C. T R Grade
SDEB-2151P .250 .093 .015 X33
SDEB-2522P .312 .125 .031 X33
Use Positive Top Inserts for Milling, Ramping & Interpolating

Technical data

Speed and Feed Info.
.375 - .656 Dia. Drill Mills
Material S.F.M. Drilling
I.P.R.
Milling
I.P.R.
Mild & Low Carbon Steel
Ex. 1018, 1020, 1117, 1141, 12L14
800 - 1200 .001 - .003 .002 - .003
High Carbon & Alloy Steel
Ex. 1045, 4140, 4340, 52100, 8620
500 - 800 .001 - .003 .002 - .003
Lower Carbon Tool Steel
Ex. P-20, H-13, S-7
400 - 700 .001 - .003 .002 - .003
Tool Steel
Ex. A-2, A-6, D-2, M-2
300 - 600 .001 - .003 .002 - .003
Stainless Steel
Ex. 304, 316, 420, 15-5PH, 17-4PH
300 - 600 .001 - .003 .002 - .003
Iron
Ex. Cast, Ductile, Nodular
600 - 1000 .002 - .003 .002 - .003
Nickel & Titanium Alloy
Ex. Inconel, Hastelloy, TI-6AL-4V
120 - 180 .001 - .0015 .001 - .002
Non-Ferrous
Ex. Aluminum, Bronze, Brass
1000 - 2500 .002 - .003 .002 - .003
Insert Grade Selection
.375 - .656 Dia. Drill Mills
Material Material Examples Preferred Grade
Mild & 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 / X33
Insert Grade Description
Grade Description
X33 High Performance Nitride Coating
X40 Extremely Smooth Boride Coating
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