Spot Depth Calculator

( with .197 flat )


Spot Drill
Diameter
Maximum
Spot Depth
.250 .065
.375 .100
.500 .140
.750 .210

Metric

To enter a metric hole diameter, enter the size, then "mm." For example, if you wanted to calculate the spot depth for a 12mm hole, type "12mm" in the hole diameter field. Please note that all spot depths are given in inches.

Credits

Special thanks to the following beta testers:

  • Keith Lesnick
  • Jim Spencer
  • Paul Krenek
  • Matt Chenoweth

Thad Seaver
[email protected]

© Thad Seaver