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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*
	$79.95 More information
Model Steam Mill Engine Material Kit

Drill Press, 13" Bench Top, 16-Speed

Drill Press, 13" Bench Top, 16-Speed

Bench top drill press
13" Swing
16 Speeds from 220 to 3600
#2 Morse taper spindle
5/8" Drill chuck

$549.99

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Transfer Punch Set, Sizes #1-60, 60 Piece

Transfer Punch Set, Sizes #1-60, 60 Piece

60 Piece #1-60 Transfer Punch Set
Range is #1 to #60
Heat treated and tempered tool steel for long life
Transfer punches are 0.0025" undersize for precise fit

$31.95

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HiTorque Mini Mill, Deluxe

HiTorque Mini Mill, Deluxe

Includes 3-axis DRO and interlocked spindle lock
Most powerful mill in its class with the most low speed torque
No gears in spindle drive
Largest table and X-Y travel in its class
R8 spindle and drill chuck

$1,799.00

Regularly $1,999.00

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Machinist's Calculatorlmscnc.com/calc