Mini Mills

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  • - Small diameter indexable endmills
  • - Free cutting
  • - 2 edges per insert
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Tool Info.
Mini Mills
Tool # D Flutes L L-1 D.O.C. S Insert Screw Wrench
MM-250 .250 1 2.030 .500 .218 .375 MGH-151
MGH-1510
MGH-1511		 164T T-6
XMM-250 .250 1 3.000 .680 .218 .375
MM-281 .281 1 2.030 .500 .218 .375
MM-312 .312 1 2.030 .500 .218 .375
MM-343 .343 1 2.250 .720 .218 .375
MM-375 .375 2 2.250 .720 .218 .375
XMM-375 .375 1 3.500 1.970 .218 .375
MM-406 .406 2 2.500 .750 .218 .500
MM-437 .437 2 2.500 .750 .218 .500
MM-468 .468 2 2.500 .750 .218 .500
MM-500 .500 3 2.500 .750 .218 .500
XMM-500 .500 2 4.000 2.250 .218 .500
MM-625 .625 4 2.625 .750 .218 .625
MM-750 .750 5 2.750 .750 .218 .750

Insert Info.

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Insert Info.
Mini Mills
Insert # W L T R Grades
MGH-151 .170 .250 .080 .002 B1M / X33
MGH-1510 .170 .250 .080 .008 X33
MGH-1511 .170 .250 .080 .015 K11

Technical Data

Speed and Feed Info.
Mini Mills
Material S.F.M. I.P.T.
Mild & Low Carbon Steel
Ex. 1018, 1020, 1117, 1141, 12L14		 800 - 1200 .001 - .002
High Carbon & Alloy Steel
Ex. 1045, 4140, 4340, 52100, 8620		 500 - 800 .001 - .002
Lower Carbon Tool Steel
Ex. P-20, H-13, S-7		 400 - 700 .001 - .002
Tool Steel
Ex. A-2, A-6, D-2, M-2		 300 - 600 .001 - .002
Stainless Steel
Ex. 304, 316, 420, 15-5PH, 17-4PH		 300 - 600 .001 - .002
Iron
Ex. Cast, Ductile, Nodular		 600 - 1000 .001 - .002
Nickel & Titanium Alloy
Ex. Inconel, Hastelloy, TI-6AL-4V		 120 - 180 .001
Non-Ferrous Metal
Ex. Aluminum, Bronze, Brass		 1000 - 2500 .001 - .002
Insert Grade Selection
Material Material Examples Preferred Grade
Mild & Low Carbon Steels 1018, 1020, 1117, 1141, 12L14 K11 or X33
High Carbon & Alloy Steels 1045, 4140, 4340, 52100, 8620 K11 or X33
Lower Carbon Tool Steels P-20, H-13, S-7 K11 or X33
Tool Steels A-2, A-6, D-2, M-2 K11 or X33
Stainless Steels 303, 304, 316, 420, 15-5PH, 17-4PH K11 or X33
Iron Cast, Nodular K11 or X33
Iron Ductile K11 or X33
Nickel & Titanium Alloys Inconel, Hastelloy, TI-6AL-4V K11 or X33
Non-Ferrous Metals Aluminum, Bronze, Brass B1M / K11 or X33
Insert Grade Description
Grade Description
B1M Uncoated Carbide - No Hone
X33 High Performance Nitride Coating
K11 Universal High Performance Dense Coating
**X33 will be replaced with K11
as stock runs out**
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