Alro logo Alro Steel was established in 1948 by Al and Robert Glick and has grown to include Alro Plastics and Alro Industrial Supply.
Serving customers since 1948
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Speed and Feed Calculator

Speed and Feed Calculator
SFM Tool Diameter: RPM: = Surface Feet per Minute
RPM Tool Diameter: SFM: = Revolutions Per Minute
IPM (Drilling) IPR: RPM: = Inches Per Minute (Drilling)
FPR IPM: RPM: = Feed Per Revolution
IPM (Milling) FPT: RPM: = Inches Per Minute (Milling)
  Number of Teeth: Number of teeth are necessary for IPM Milling calculation