2.000 - 3.500 Diameter Drill Mills

1 Flute Effective Center Cutting Endmills

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  • - 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
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Tool Info.
2.000 - 3.500 Dia. Drill Mills
Tool # D Inserts L L-1 B S Postitive Top
Inserts
Chipbreaker
Inserts
Screw Wrench
DM-2001 2.000 2 4.000 1.750 .710 1.000 SPEB-6352PA SPEB-6352CB 1012T T-25
XDM-2000 2.000 2 5.500 1.500 .710 1.250
DM-2125 2.125 2 4.000 1.750 .710 1.000
DM-2250 2.250 2 4.000 1.750 .710 1.000
DM-2500 2.500 2 4.000 1.750 .710 1.000
DM-2750 2.750 2 4.250 2.000 .960 1.250 SPEB-842PA SPEB-842CB 1412T T-532
DM-3000 3.000 2 4.250 2.000 .960 1.250
DM-3250 3.250 2 4.250 2.000 .960 1.250
DM-3500 3.500 2 4.250 2.000 .960 1.250

Insert Info.

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Chipbreaker Insert Info.
2.000 - 3.500 Dia. Drill Mills
Insert # I.C. T R Grades
SPEB-6352CB .750 .220 .031 X33 / X40
SPEB-842CB 1.000 .250 .031 X33 / X40
Use Chipbreaker Inserts for Drilling, Plunging & Counterboring
K-Tool, Inc.  Positive Top Insert Illustration
Positive Top Insert Info.
2.000 - 3.500 Dia. Drill Mills
Insert # I.C. T R Grades
SPEB-6352PA .750 .220 .031 X33 / X40 / C55
SPEB-842PA 1.000 .250 .031 X33
Use Positive Top Inserts for Milling, Ramping & Interpolating

Technical Data

Speed and Feed Info.
2.000 - 3.500 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 .003 - .005 .002 - .005
High Carbon & Alloy Steel
Ex. 1045, 4140, 4340, 52100, 8620
500 - 800 .003 - .005 .002 - .005
Lower Carbon Tool Steel
Ex. P-20, H-13, S-7
400 - 700 .003 - .005 .002 - .005
Tool Steel
Ex. A-2, A-6, D-2, M-2
300 - 600 .002 - .004 .002 - .004
Stainless Steel
Ex. 304, 316, 420, 15-5PH, 17-4PH
300 - 600 .002 - .004 .002 - .004
Iron
Ex. Cast, Ductile, Nodular
600 - 1000 .003 - .006 .002 - .006
Nickel & Titanium Alloy
Ex. Inconel, Hastelloy, TI-6AL-4V
120 - 180 .002 - .003 .001 - .002
Non-Ferrous
Ex. Aluminum, Bronze, Brass
1000 - 2500 .004 - .008 .003 - .006
Insert Grade Selection
2.000 - 3.500 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 C55 / 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
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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