Carbide End Mills

  Chip Load per Tooth
MaterialSFM1/8"1/4"1/2"
Aluminum600+.0010".0020".0040"
Brass300.0010".0020".0030"
Mild Steel250.0010".0020".0030"
Plastics600+.0010".0030".0060"
Stainless Steel200.0005".0010".0020"
Titanium150.0005".0010".0015"


HSS End Mills

  Chip Load per Tooth
MaterialSFM1/8"1/4"1/2"
Aluminum300.0010".0015".0020"
Brass150.0010".0020".0030"
Mild Steel100.0005".0010".0020"
Plastics400.0010".0015".0020"
Stainless Steel80.0005".0010".0020"
Titanium40.0005".0010".0015"

Mill/Drill Spindle Speeds

Spindle Speed = 4 x SFM / Tool Diameter

Mill Feed Rate

Feed Rate = Chip Load x Teeth x Spindle Speed

Lathe Spindle Speeds

Spindle Speed = 4 x SFM / Part Diameter