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DECIMAL EQUIVALENTS

Inches mm Wood Screw Gauge Imperial Stadard Wire Gauge BA   Inches mm Wood Screw Gauge Imperial Stadard Wire Gauge BA
Decimals Fractions Decimals Fractions
.016 1/64 0.397       .176   4.470   7  
.031 1/32 0.794       .178   4.520 9    
.032   0.813   21   .187 3/16 4.762   6 2
.036   0.914   20   .192   4.880 10    
.039   1.000       .196   5.000   5  
.040   1.016   19   .203 13/64 5.159      
.046 3/64 1.190       .212   5.385   4  
.048   1.219   18   .218 7/32 5.556      
.056   1.422   17   .220   5.590 12    
.062 1/16 1.587 0     .234 15/64 5.593   3  
.064   1.626   16   .236   6.000     0
.072   1.829 1 15   .248   6.300 14 2  
.078 5/64 2.000       .250 1/4 6.350      
.080   2.032   14   .252   6.401   1  
.092   2.337 2 13   .265 17/64 6.746      
.093 3/32 2.381       .275   7.000      
.104   2.642 3 12   .276   7.010 16 0  
.109 7/64 2.778 4   6 .281 9/32 7.143      
.116   2.956   11   .296 19/64 7.540      
.118   3.000       .300   7.620   2/0  
.125 1/8 3.175 5     .304   7.720 18    
.128   3.251   10   .312 5/16 7.937   3/0  
.140 9/64 3.571 6   4 .315   8.000      
.144   3.658   9   .328 21/64 8.334   4/0  
.156 5/32 3.968 7     .332   8.430 20    
.157   4.000       .343 11/32 8.731   5/0  
.160   4.060   8   .354   9.000      
.171 11/64 4.365 8     .359 23/64 9.128   6/0  
 
Inches mm   Inches mm  
Decimals Fractions Decimals Fractions
.375 3/8 9.525 .703 45/64 17.850
.390 25/64 9.921 .708   18.000
.393   10.000 .718 23/32 18.250
.406 13/32 10.318 .734 47/64 18.650
.421 27/64 10.715 .748   19.000
.433   11.000 .750 3/4 19.050
.437 7/16 11.112 .765 49/64 19.440
.453 29/64 11.509 .781 25/32 19.840
.469 15/32 11.908 .787   20.000
.472   12.000 .796 51/64 20.240
.484 31/64 12.303 .812 13/16 20.630
.511   13.000 .826   21.000
.515 33/64 13.090 .828 53/64 21.030
.531 17/32 13.490 .843 27/32 21.430
.546 35/64 13.890 .859 55/64 21.820
.551   14.000 .866   22.000
.562 9/16 14.280 .875 7/8 22.220
.578 37/64 14.680 .890 57/64 22.620
.590   15.000 .905   23.000
.593 19/32 15.080 .906 29/32 23.010
.609 39/64 15.470 .921 59/64 23.410
.625 5/8 15.870 .937 15/16 23.810
.629   16.000 .944   24.000
.640 41/64 16.270 .953 61/24 24.200
.656 21/32 16.660 .968 31/32 24.600
.669   17.000 .984 63/64 25.000
.671 43/64 17.060 1.000 1 25.400
.687 11/16 17.46      

The above information is for guidence only and should not be used when working to stringent specifications.

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