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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 
 
 
Transfer Punch Set, Sizes A-Z, 24 Piece
Transfer Punch Set, Sizes A-Z, 24 Piece
  • 25 Piece A-Z Transfer Punch Set
  • Range is A to Z.
  • Heat treated and tempered tool steel for long life
  • Transfer punches are 0.0025" undersize for precise fit

$22.95
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Tooling/Fixture Plate (12" x 6")
Tooling/Fixture Plate (12" x 6")
  • Made from aluminum plate 3/4" thick
  • Plate is 6" x 12"
  • 220 Holes tapped 1/4"-20, 72 holes for locating pins
  • Includes clamping kit
  • Designed for small work pieces

$139.95
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SIEG X2D Mini Mill
SIEG X2D Mini Mill
  • Full featured mini mill at an incredible price
  • 350 Watt variable speed DC drive
  • Largest table and X-Y travel in its class
  • R8 Spindle taper
  • Dovetail solid column and air spring head support

$799.00

Regularly $999.00
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