Eight Square Positive Mills

  • 8 Edges Per Insert

.750 - 2.000 Diameter Endmills

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  • - Cuts a square shoulder within .001
  • - Strong Neutral Cutting Edge
  • - Great for Harder Materials
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Tool Info.
ESP - Shank Tools
Tool # D Flutes L L-1 D.O.C. S Screw Wrench Insert
ESP-750-2 .750 2 3.000 1.000 .280 .750 314T T-8 SNPG-2522
ESP-1000-2 1.000 3 3.000 1.000 .280 .750 314T T-8 SNPG-2522
ESP-1250-2 1.250 4 3.250 1.250 .280 .750 314T T-8 SNPG-2522
ESP-1500-2 1.500 5 3.250 1.250 .280 .750 314T T-8 SNPG-2522
ESP-2000-2 2.000 6 3.250 1.250 .280 .750 314T T-8 SNPG-2522
ESP-1500-3 1.500 3 4.000 1.750 .405 1.000 538T T-10 SNPG-3532
ESP-2000-3 2.000 4 4.000 1.750 .405 1.000 538T T-10 SNPG-3532

2.000 - 3.000 Dia. Shell Mills

ESP - Shell Mill.png
  • - Cuts a square shoulder within .001
  • - Strong Neutral Cutting Edge
  • - Great for Harder Materials
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Tool Info.
ESP - Shell Mount Style
Tool # D Flutes L D.O.C. Bore Key Screw Wrench Insert
ESPS-2000-3 2.000 4 1.500 .405 .750 .312 538T T-10 SNPG-3532
ESPS-2500-3 2.500 6 1.625 .405 1.000 .375 538T T-10 SNPG-3532
ESPS-3000-3 3.000 6 1.625 .405 1.000 .375 538T T-10 SNPG-3532

Insert Info.

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Insert Info.
ESP - Shank Tools & Shell Mill Style
Insert # I.C. T R Grade
SNPG-2522 .312 .125 .031 X33
SNPG-3532 .437 .187 .031 X33

Technical Data

Speed and Feed Info.
Material S.F.M. I.P.T.
Mild & Low Carbon Steel
Ex. 1018, 1020, 1117, 1141, 12L14
800 - 1200 .003 - .006
High Carbon & Alloy Steel
Ex. 1045, 4140, 4340, 52100, 8620
500 - 800 .003 - .005
Lower Carbon Tool Steel
Ex. P-20, H-13, S-7
400 - 700 .003 - .005
Tool Steel
Ex. A-2, A-6, D-2, M-2
300 - 600 .003 - .005
Stainless Steel
Ex. 304, 316, 420, 15-5PH, 17-4PH
300 - 600 .003 - .005
Iron
Ex. Cast, Ductile, Nodular
600 - 1000 .003 - .006
Nickel & Titanium Alloy
Ex. Inconel, Hastelloy, TI-6AL-4V
120 - 180 .001 - .003
Non-Ferrous
Ex. Aluminum, Bronze, Brass
1000 - 2500 .003 - .007
Insert Grade Selection
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 X33
Insert Grade Description
Grade Description
X33 High Performance Nitride Coating
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