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*
	$179.95 More information
Upgrade Kit, Mini Mill

Metal Transmission Gear Kit, Mini Lathe & 3MT Mini Mill

Metal Transmission Gear Kit, Mini Lathe & 3MT Mini Mill

Replaces both plastic transmission gears with metal
Fits mini lathes and 3MT mini mills
Small Gear: 12 Teeth / 20 Teeth, 12 mm Bore, 4 mm Keyway
Large Gear: 21 Teeth / 29 Teeth, 30 mm Bore, 5 mm Keyway

$67.95

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Quick Change Tool Post Set, 0XA, Mini Lathe, Horizontal Cut-Off

Quick Change Tool Post Set, 0XA, Mini Lathe, Horizontal Cut-Off

Quick change tool post set for lathes with up to 8" swing
0XA, or series 000 size (60% of AXA size)
Includes five steel tool holders
Horizontal Cut-off tool holder
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HiTorque 7350 Deluxe Mini Lathe - 7x16

HiTorque 7350 Deluxe Mini Lathe - 7x16

Features of 5100 (most powerful, most low-speed torque, gearless spindle, cam-lock TS, 4" chuck)
Includes DRO readouts on compound rest, cross slide, and tailstock
Metal hand wheels and chrome levers
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CHUCK GUARD HAS NOW BEEN REMOVED

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