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Miniature End Mills Speeds & Feeds

Miniature End Mills Speeds & Feeds

These end mills are designed to machine most materials, however, because of their small size, feeds and speeds are very material specific. Care must be taken not to over feed as breakage may result. 

These tools offer a very short length of cut so that unnecessary extension, which often causes deflection and breakage, can be avoided. These end mills are designed to cut difficult and abrasive materials, ranging from medium to the highest hardness levels machinable by Carbide End Mills.  

They can be used for general purpose milling including profiling, slotting, keyways and pockets. 
  • Double variable helix design reduces chatter and harmonics, better finish, and increases material removal rates
  • Corner radius for improved strength
  • AlTiN, Stealth and Xtreme coatings for improved lubricity and heat resistance
  • Better than h6 shank tolerance for shrink fit holders
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  • Remember to consider the Torque Efficiency of your CNC machine.
  • The correct toolholder will improve production and reduce cycle time.
  • Climb Milling is recommended.

Cobra Miniatures, Variable Helix
2 Flute, 37 ̊ Helix - Stub, Length of Cut = 1-1/2 x Diameter
4 Flute, 37 ̊ Helix - Stub, Length of Cut = 1-1/2 x Diameter
2 Flute, 37 ̊ Helix - Square End, Length of Cut = 3 x Diameter
4 Flute, 37 ̊ Helix - Square End, Length of Cut = 3 x Diameter
Helix: 
Diameter: -0.0001" to -0.0003"
Shank Diameter: +0.000" to -0.0003"
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Raptor Miniatures, Variable Helix with Radius – 38° Helix
3 Flute, Raptor DVH, Square End with Radius
Helix: 38 Degree
Diameter: -0.000" to -0.002"
Shank Diameter: +0.000" to -0.0003"
Raptor Miniatures, Variable Helix with Radius - 3/16 Shank
4 Flute , Raptor DVH, Square End with Radius
Helix: 38 Degree
Diameter: -0.000" to -0.002"
Shank Diameter: +0.000" to -0.0003"
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Viper Miniatures with 3/16 Shank
2 Flute, Square End
3 Flute, Square End
Helix: 45 degrees
Diameter: -0.0001" to -0.0003"
Shank Diameter: +0.000" to -0.0003
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Miniature Speeds & Feeds for "N" Aluminum

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You can also find this chart on Page 57 of our catalog
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You can also find this chart on Page 57 of our catalog

Miniature Speeds & Feeds for "P" Steel

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You can also find this chart on Page 57 of our catalog
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You can also find this chart on Page 57 of our catalog

Miniature Speeds & Feeds for "S" High Temp Alloys

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You can also find this chart on Page 57 of our catalog
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You can also find this chart on Page 57 of our catalog

Imperial
SFM = RPM X .262 X Tool Diameter 
RPM = SFM X 3.82 ÷ Tool Diameter
IPM = RPM X IPT (CLPT) X Number of Flutes 
IPT = IPM ÷ (RPM X Number of Flutes) 
MRR = RDC X ADC X IPM (a.k.a. CIM) 
Metric
SMM = RPM X .00314 X Tool Diameter
RPM = SMM X 318.057 / Tool Diameter
Milling Speed and Feed Calculator

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Destiny Tool
18434 Technology Dr.
​Morgan Hill, CA 95037
US TF: 800.527.8665  
Tel: 408.988.8898    
​Fax: 408.988.2606
info@destinytool.com

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 WARNING: These products contain Cobalt, a chemical known to the State of California to cause cancer. ​For more information go to www.P65Warnings.ca.gov
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