We’re here and we’re shipping orders—how can we help you?  Read more...

LittleMachineShop.com is the premier source of tooling, 
parts, and accessories for bench top machinists.  
Contact Us (800) 981 9663
Your Orders
Cart  Cart
   

On Sale
Value Packs
New Products
All Products
Catalog
Store Location
Outlet Store

 
On Sale
Productivity Upgrade Package, HiTorque Bench Mill
 
 
 

Machinist's Calculator

Our mobile app; read this with your phone.
lmscnc.com/calc

 
Onliine Metals  

 

  

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
Cut-Off Tool Holder and HSS Blade $25.95

More information
Cut-Off Tool Holder and HSS Blade
Band Saw, Bench Top
  • Uses widely available 44-7/8" blades
  • Two blade speeds
  • 3" (80 mm) x 4" (100 mm) capacity
  • Comes with a 14 TPI bi-metal blade
  • Includes stand with quick-adjusting cast iron vise

$249.95

More products like this
Machine Light, LED with Magnetic Base
  • 20" flexible shaft
  • Powerful magnetic base
  • 100-240 V 50-60 Hz
  • 330 lumens

$79.95

More products like this
Knob and Hand Wheel Kit, Mini Lathe
  • Anodized hand wheels for apron and tailstock
  • Chrome levers for half-nuts, tool post and tailstock

$85.97

More products like this
Contact Us / Company Info / Privacy Policy / Warranty / Terms & Conditions / Payment Options / Shipping Rates & Policies
Copyright © 2007-2020 LittleMachineShop.com
 
Phone: (800) 981-9663