Bolt Hole Pattern Calculator

1° (1 degree) = 60 minutes = 3,600 seconds = 0.0175 radian 0°1' (1 minute of a degree) = .01 6 degree = 60 seconds = .00029 8 radian 0°0'1 (1 second of a degree) = .0002 7

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Bolt Hole Circle Calc Lite 4+

Hole Centres and Spacing To mark holes (spokes) around a circular hub or rim, see Hub Spoke and Spindle Templates See also: Bolt Hole Circle Calculator with Full Scale Printable
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Bolt Hole Circle Calculator

For example, if the open area of the perforated sheet is 30%, it means that 30% of the sheet is holes and 70% of the sheet is material. As our customers request, we list the way of open area

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