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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 #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

$28.95
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Disc Cutter Set, 1/4-5/8", 7 Piece
Disc Cutter Set, 1/4-5/8", 7 Piece
  • 7 Piece 1/4-5/8" Disc Cutter Set
  • Set includes 1/4, 5/16, 3/8, 7/16, 1/2, 9/16 & 5/8" disc sizes
  • Punches are made of case-hardened tool steel
  • The top and bottom plates are made of durable shock-resistant tool steel through hardened for long-w
  • Round disc cutters let you cut perfectly round discs in up to 1mm (18 gauge) thick metal sheets

$54.95
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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
  • Fits all 7x10 to 7x16 mini lathes

$139.95

Regularly $154.95
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