Coming Soon... a NEW LittleMachineShop.com   Learn More

Menu

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  in  mm
Diameter of Holes
Angle of First Hole degrees
Offset of Center     Y 
 
 
SPECIAL OF THE WEEK
Gib, Mini Lathe, 150 mm/120 mm, Brass (Pair) $24.95

More information
Gib, Mini Lathe, 150 mm/120 mm, Brass (Pair)
Cutting Compound Kit
  • Kit with one solid and one liquid cutting compound
  • Contains 1 Re-Li-On cutting fluid and one Nikx Stikx solid stick
  • Extend tool life by reducing build-up and increasing efficiency
  • Products cling to tool edge to enhance cut
  • Both products are made in the USA

$15.95

Regularly $18.95

More products like this
Upgrade Kit, Mini Mill
  • Includes 2258 Air Spring Kit and 2560 Mini Mill Belt Drive Kit
  • Much quieter operation
  • Spindle speed up to 4300 RPM
  • Allows travel to the top of the column while providing better support for the mill head
  • No more broken drive gears

$219.95

More products like this
Thin Parallels, 150mm, 5 Pairs Magnetic, Dasqua
  • Five pairs thin parallels
  • Length: 150mm (6"), Widths 2.5mm (0.1")
  • Heights range from 25mm - 47mm (1" - 1.85")
  • Height tolerance +/- 0.005mm
  • Width tolerance +/-0.01mm

$89.95

Regularly $99.95

More products like this