RF Spec Group.jpg http://www.rfspecialties.com/                        
Click Mouse on the "1/16" Below. Then, INCH MM   INCH MM   MM INCH   INCH MM  
Choose from the pull down your English size: 1/64 0.4   "1" 25.4              
    1/32 0.79   "1/16" 1.59            
Inch   1/25 1   "1/2" 12.7            
  1/16 1.59   "1/25" 1            
    1/8 3.18   "1/32" 0.79              
mm   1/4 6.35   "1/4" 6.35              
  3/8 9.53   "1/64" 0.4              
  2/5 10   "1/8" 3.18              
  1/2 12.7   "10" 254              
Click Mouse on the "0.4" Below. Then, 5/8 15.9   "11" 279              
Choose from the pull down your Metric size: 3/4 19.1   "12" 305              
    7/8 22.2   "2" 50.8              
mm   1 25.4   "2/5" 10              
  2 50.8   "3" 76.2              
Inch   3 76.2   "3/4" 19.1              
  4 101.6   "3/8" 9.53              
  5 127   "36" 914              
RF Specialties is not responsible for errors of any kind 6 152   "39.4" 1000              
    7 18   "4" 101.6              
  8 203   "5" 127              
  9 229   "5/8" 15.9              
  10 254   "6" 152              
  11 279   "7" 18              
  12 305   "7/8" 22.2              
  36 914   "8" 203              
  39.4 1000   "9" 229