Gage Makers Tolerance Chart
Plain Plug, Plain Ring & Master Gage Tolerances

RANGE

CLASS

XX

X

Y

Z

ZZ

INCH

.0009" to .8250"

.000020"

.000040"

.000070"

.000100"

.000200"

.8251" to 1.5100"

.000030"

.000060"

.000090"

.000120"

.000240"

1.5101" to 2.5100"

.000040"

.000080"

.000120"

.000160"

.000320"

2.5101" to 4.5100"

.000050"

.000100"

.000150"

.000200"

.000400"

4.5101" to 6.5100"

.000065"

.000130"

.000190"

.000250"

.000500"

6.5101" to 9.0100

.000080"

.000160"

.000240"

.000320"

.000640"

9.0101" to 12.2600"

.000100"

.000200"

.000300"

.000400"

.000800"

METRIC

1.00mm to 21.00mm

.0005mm

.0010mm

.0018mm

.0025mm

.0050mm

21.01mm to 38.00mm

.0008mm

.0015mm

.0023mm

.0030mm

.0060mm

38.01mm to 64.00mm

.0010mm

.0020mm

.0030mm

.0040mm

.0080mm

64.01mm to 115.00mm

.0013mm

.0025mm

.0038mm

.0050mm

.0100mm

115.01mm to 165.00mm

.0017mm

.0033mm

.0048mm

.0060mm

.0130mm

165.01mm to 230.00mm

.0020mm

.0041mm

.0061mm

.0080mm

.0160mm

230.01mm to 300.00mm

.0025mm

.0051mm

.0076mm

.0100mm

.0200mm