Washers  
Gage Tolerance Charts
Brass & Copper     Phospor Bronze  
Nominal Gauge Thickness Tolerance Nominal Gauge Thickness Tolerance
.001-.004
+/- .0004
.002
+/- .0005
.005-.009
+/- .0005
.003
+/- .0005
.010
+/- .00075
.005
+/- .0005
.012
+/- .001
.006
+/- .0005
.015
+/- .001
.008
+/- .00075
.016
+/- .001
.009
+/- .00075
.020
+/- .001
.010
+/- .00075
.025
+/- .002
.012
+/- .001
.028
+/- .002
.014
+/- .001
.031
+/- .002
.015
+/- .001
.036
+/- .002
.016
+/- .001
.040
+/- .003
.018
+/- .0015
.050
+/- .003
.020
+/- .0015
.062
+/- .003
.025
+/- .002
.064
+/- .003
.031
+/- .003
.072
+/- .003
.040
+/- .003
.080
+/- .003
.062
+/- .004
.090
+/- .003
.080
+/- .004
.100
+/- .004
.090
+/- .004
.125
+/- .004
.125
+/- .005
       
Fiber, Nylon, Teflon, Delrin, Mylar Mica
Nominal Gauge Thickness Tolerance Nominal Gauge Thickness Tolerance
.010 + .003-.000 .002 +/- .001
.015 +/- .002 .003 +/- .001
.020 +/- .002 .004 +/- .001
.025 +/- .003 .005 +/- .001
.031 +/- .003 .010 +/- .0015
.040 +/-.003 .015 +/- .002
.050 + .004-.003 .016 +/- .002
.063 + .004-.003 .031 +/- .004
.093 +/- .005 .047 +/- .005
.125 +/- .005 .062 +/- .006
       
Phenolic Neoprene
Nominal Gauge Thickness Tolerance Nominal Gauge Thickness Tolerance
.016 +/- .003 .016 +/- .010
.032 +/- .004 .031 +/- .010
.040 +/- .004 .062 +/- .016
.047 +/- .0045 .093 +/- .016
.062 +/- .005 .125 +/- .020
.125 +/- .010 .187 +/- .031
       
Aluminum Alloys 1100,2024,3003,5052,6061,7075 Beryllium Copper
Nominal Gauge Thickness Tolerance Nominal Gauge Thickness Tolerance
.010 +/- .001 .003 +/- .0005
.012 +/- .0015 .004 +/- .0005
.016 +/- .002 .005 +/- .0005
.020 +/- .002 .006 +/- .0005
.025 +/- .0025 .008 +/- .00075
.032 +/- .003 .010 +/- .00075
.040 +/- .0035 .015 +/- .001
.050 +/- .0035 .016 +/- .001
.063 +/- .004 .020 +/- .001
.071 +/- .004 .025 +/- .0015
.080 +/- .0045 .032 +/- .002
.090 +/- .0045    
.100 +/- .0055    
.125 +/- .0055    
       
Stainless Steel, Low Carbon and High Carbon Steel, Monel    
.001 to .008 +/- .0005    
.009 +/- .0005    
.010 +/- .00075    
.012 +/- .0015    
.015 +/- .002    
.016 +/- .002    
.018 +/- .002    
.020 +/- .002    
.025 +/- .003    
.028 +/- .003    
.030 +/- .003    
.032 +/- .003    
.036 +/- .003    
.040 +/- .004