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Trades Math Calculator logo
 
Machine Shop Calculator
Bolt Circle Calculations

Trades Math Calculator has been discontinued.

Try Machinist's Calculator as an alternative.

To get support for Trades Math Calculator you MUST include your order number with the query.


Calculate bolt circles with up to 3000 equally spaced points.
See more.

The centre of the circle can be X0Y0 or any other coordinates.

The bolt circle coordinates can be saved for pasting into a CNC g-code file, or printed to a hard copy.

All values, including the answer, can be converted between inch and millimeters.

The first hole can be any angle from the 3o'clock position, clockwise or anti-clockwise.
Access to the angle converter is available. The angle converter enables you to switch between degrees.decimal and degrees, minutes and seconds.

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Try it for FREE!
Download the DEMO

Bolt circle coordinate calculator
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