(616) 887-1714|Custom Cutting Tools Since 1968
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Unit Converter

Quick conversions for machining calculations. Convert between imperial and metric, SFM to RPM, IPR to IPM, and calculate tap drill sizes.

Length Conversion
Convert between inches and millimeters

1 inch = 25.4 mm

Spec Tool

Custom cutting tools since 1968. Specializing in carbide, ceramic, and PCD/CBN cutting tools for Automotive, Aerospace, Defense, Medical, and Oil & Gas industries. Made in USA.

Products

  • Carbide Cutting Tools
  • Super Abrasives
  • Holders and Bodies

Industries

  • Automotive
  • Aerospace
  • Defense
  • Medical
  • Oil and Gas
  • Die and Mold
  • General Machining

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  • Documents & Downloads
  • Speed & Feed Calculator
  • Material Database
  • Unit Converter

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