Van Keuren Precision Products

Technical Information

Gagemakers' Tolerance Chart

Size-Range Inches
Above Up to & Including Class XXXX Class XXX Class XX Class X Class Y Class Z Class ZZ
.02 .825 .000005 .000010 .00002 .00004 .00007 .0001 .0002
.825 1.510 .000008 .000016 .00003 .00006 .00009 .00012 .00024
1.510 2.510 .000020 .00004 .00008 .00012 .00016 .00032
2.510 4.510 .00005 .00010 .00015 .00020 .00040
4.510 6.510 .000065 .00013 .00019 .00025 .00050
6.510 9.010 .00008 .00016 .00024 .00032 .00064
Metric Equivalents
.74 20.96 .00061 .00102 .00178 .00254 .00508
20.96 38.35 .00076 .00152 .00229 .00305 .00609
38.35 63.75 .00102 .00203 .00305 .00408 .00812
63.75 114.55 .00127 .00254 .00381 .00508 .01016
114.55 165.75 .00165 .00330 .00483 .00635 .0127
165.35 228.85 .00203 .00406 .00610 .00813 .01625
228.85 311.40 .00254 .00508 .00762 .01016 .02032
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