To complete calculations, enter known data into
the empty boxes on the left hand side below.All mandatory fields for calculations are indicated by (*).All calculations are based on industry
formulas and are intended to provide theoretical values.Actual results could vary and SGS Tool
Company assumes no responsibility.

Surface Meters per Minute

Solution

Revolutions per
Minute*

Drill Diameter

Constant

Surface Feet
per Minute

3.14

1000

SMM

Revolutions per Minute

Solution

Surface Meters per
Minute

Drill Diameter

Constant

Revolutions
per Minute

3.14

1000

RPM

Millimeters per Minute

Solution

Millimeters per
Revolution*

Revolutions per Minute

Millimeters
per Minute

mmPM

Millimeters per Revolution

Solution

Millimeters per
Minute

Revolutions per Minute

Millimeters
per Revolution

mmPR

Drilling Time in Minutes

Solution

Depth of Hole in
Inches

Millimeters per Revolution

Revolution per Minute

Minutes of
Travel

minutes

Proper Drill Diameter for a Cut Thread

Solution

Major Cut Tap Diameter

Percentage of Full Thread

Tap Pitch

Drill
Diameter

mm

Proper Drill Diameter for a Formed Thread

Solution

Major Form Tap
Diameter

Forming Tap Pitch

Maximum Drill
Diameter

mm

Minimum Drill
Diameter

mm

The browser does not support JavaScript. The calculations will not work. Please access the web page using another browser.