.761 - .925 Diameter Drill Sergeants

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  • - Available in 2:1, 4:1 & 6:1 Ratio
  • - Helical or Straight Flute Design
  • - Coolant thru is standard
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Patent # 5,259,707

  Tool Info.      
Helical Flute .761 - .925 Dia. Drill Sergeants      
Tool # Size Range Standard Inserts Grade L D.O.C. Coolant Plug S
DS-76-84S .761 - .840 DI-765 / DI-781 / DI-812 X33 5.950 2.000 NPT 1/8 1.000
DS-76-84L 7.950 4.000 N/A
DS-76-84XL 9.950 6.000 N/A
DS-84-92S .841 - .925 DI-843 / DI-875 / DI-906 / DI-921 5.950 2.000 NPT 1/8
DS-84-92L 7.950 4.000 N/A
DS-84-92XL 9.950 6.000 N/A
Standard Tap Sizes Highlighted in Red

Tool Info.      
Straight Flute .761 - .925 Dia. Drill Sergeants      
Tool # Size Range Standard Inserts Grade L D.O.C. Coolant Plug S
DSL-76-84L .761 - .840 DI-765 / DI-781 / DI-812 X33 7.950 4.000 NPT 1/8 1.000
DSL-76-84XL 9.950 6.000
DSL-84-92L .841 - .925 DI-843 / DI-875 / DI-906 / DI-921 7.950 4.000
DSL-84-92XL 9.950 6.000
Use Straight Flute For Lathe and High Pressure Coolant Applications over 500 P.S.I.

Insert Info.

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Insert Info.
.761 - .925 Dia. Drill Sergeants
Dia. Tolerance +/-.002
Insert # D Screw Wrench
DI-765 .7656 560T T-10
DI-781 .7812
DI-812 .8125
DI-843 .8438
DI-875 .8750
DI-906 .9062
DI-921 .9219

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.
.761 - .925 Dia. Drill Sergeants
Material S.F.M. I.P.R.
Mild & Low Carbon Steel
Ex. 1018, 1020, 1117, 1141, 12L14
700 - 900 .005 - .008
High Carbon & Alloy Steel
Ex. 1045, 4140, 4340, 52100, 8620
500 - 600 .005 - .008
Lower Carbon Tool Steel
Ex. P-20, H-13, S-7
400 - 500 .005 - .008
Tool Steel
Ex. A-2, A-6, D-2, M-2
350 - 450 .005 - .008
Stainless Steel
Ex. 304, 316, 420, 15-5PH, 17-4PH
350 - 550 .005 - .008
Iron
Ex. Cast, Ductile, Nodular
600 - 800 .005 - .008
Nickel & Titanium Alloy
Ex. Inconel, Hastelloy, TI-6AL-4V
100 - 200 .002 - .004
Non-Ferrous
Ex. Aluminum, Bronze, Brass
1000 - 2000 .006 - .012
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
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