.396 - .510 Diameter Drill Sergeants

K-Tool, Inc. DS & DSL
  • - Available in 2:1, 4:1 & 6:1 Ratio
  • - Helical or Straight Flute Design
  • - Coolant thru is standard
K-Tool, Inc. DS & DSL

Patent # 5,259,707

    Tool Info.      
Helical Flute .396 - .450 Dia. Drill Sergeants      
Tool # Size Range Standard Inserts Grade L D.O.C. Coolant Plug S
DS-39-45S  .396 to .450    DI-406 / DI-421 / DI-437  X33  3.812   1.000 NPT 1/8  .500 
DS-39-45L  4.812   2.000 N/A
DS-45-51S  .451 to .510    DI-468 / DI-500   3.812   1.000  NPT 1/8
DS-45-51L  4.812   2.000  N/A
Standard Tap Sizes Highlighted in Red
    Tool Info.      
Straight Flute .396 - .510 Dia. Drill Sergeants      
Tool # Size Range Standard Inserts Grade L D.O.C. Coolant Plug S
DSL-39-45L  .396 to .450    DI-406 / DI-421 / DI-437  X33 4.812   2.000  NPT 1/8  .500 
DSL-45-51L .451 to .510    DI-468 / DI-500 
Use Straight Flute For Lathe and High Pressure Coolant Applications over 500 P.S.I.

Insert Info.

DI Insert.png
Insert Info.
.396 - .510 Dia. Drill Sergeants
Dia. Tolerance +/-.002
Insert # D Screw Wrench
DI-406 .4062 164T T-6
DI-421 .4219
DI-437 .4375
Di-468 .4688
Di-500 .5000

Technical Data

Insert Loading Procedure

  • - Air blast pocket clean
  • - Hold insert in place
  • - Tighten screws until each one makes light contact
  • - Alternate tightening screws several times until screws are tight
Speed and Feed Info.
.396 - .510 Dia. Drill Sergeants
Material S.F.M. I.P.R.
Mild & Low Carbon Steel
Ex. 1018, 1020, 1117, 1141, 12L14
700 - 900 .003 - .005
High Carbon & Alloy Steel
Ex. 1045, 4140, 4340, 52100, 8620
500 - 600 .003 - .005
Lower Carbon Tool Steel
Ex. P-20, H-13, S-7
400 - 500 .003 - .005
Tool Steel
Ex. A-2, A-6, D-2, M-2
350 - 450 .003 - .005
Stainless Steel
Ex. 304, 316, 420, 15-5PH, 17-4PH
350 - 550 .003 - .005
Iron
Ex. Cast, Ductile, Nodular
600 - 800 .004 - .006
Nickel & Titanium Alloy
Ex. Inconel, Hastelloy, TI-6AL-4V
100 - 200 .001 - .003
Non-Ferrous
Ex. Aluminum, Bronze, Brass
1000 - 2000 .004 - .006
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 X33
Iron Ductile X33
Nickel & Titanium Alloys Inconel, Hastelloy, TI-6AL-4V X33
Non-Ferrous Metals Aluminum, Bronze, Brass X33
Insert Grade Description
Grade Description
X33 High Performance Nitride Coating
KTOOLINC LOGO.png