Bolt Circle Calculator

Calculator Menu

Enter values below to calculate the coordinates of the holes in a bolt circle.

Number of Holes	N
Diameter of Bolt Circle	D in mm
Diameter of Holes	d
Angle of First Hole	A degrees
Offset of Center	X Y

*SPECIAL OF THE WEEK*
	$69.95 More information
V-Blocks, Set of Four, iGaging

Belt Drive Conversion Kit, Mini Mill

Belt Drive Conversion Kit, Mini Mill

No more broken drive gears
Much quieter operation
Spindle speed up to 4300 RPM
Ideal for manual and CNC mini mills
PLEASE CHECK COMPATABILITY BEFORE ORDERING

$139.95

Regularly $149.95

More products like this

Dial Indicator, Test Indicator, Magnetic Base & Point Set

Dial Indicator, Test Indicator, Magnetic Base & Point Set

0-1" dial indicator with 0.001" resolution
0-15-0 dial test indicator with 0.0005" resolution
Magnetic base indicator holder with fine adjustment
22 piece indicator point set
All in a plastic case

$59.95

More products like this

Tooling Package, Mini Lathe, 0XA QCTP

Tooling Package, Mini Lathe, 0XA QCTP

QCTP Set easily mounts to 7x10, 7x12, 7x14, 7x16 lathes
3/8" indexable TCMT inserts, P1N cut-off blade
9-piece carbide boring bar set - 3/8" shank
1/2" drill chuck, 2MT short to 33JT drill chuck arbor
4 center drills (sizes 1-4)

$234.95

More products like this

Need Help?
Email us:
INFO@LittleMachineShop.com

Have you seen?

Collet Set, R8 Metric, Set of 10

Most Popular of
DRO Packages

Digital Position Readout, 3-Axis Bluetooth for HiTorque Mini Mill

Additional popular items

Machinist's Calculatorlmscnc.com/calc