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Gage Makers Tolerance Chart

As defined by ANSI/ASME B89.1.5.

 

 Standard (Inches)

Diameter XXX XX X Y Z ZZ
0.010" - 0.825"  0.000010"  0.000020"  0.000040"  0.000070"  0.000100"  0.00020"
 0.825" - 1.510"  0.000015"  0.000030"  0.000060"  0.000090"  0.000120"  0.00024"
 1.510" - 2.510"  0.000020"  0.000040"  0.000080"  0.000120"  0.000160"  0.00032"
2.510" - 4.510"   0.000025"  0.000050"  0.000100"  0.000150"  0.000200"  0.00040"
4.510" - 6.510"   0.000033"  0.000065"  0.000130"  0.000190"  0.000250"  0.00050"
6.510" - 9.010"   0.000040"  0.000080"  0.000160"  0.000240"  0.000320"  0.00064"
9.010" - 12.010"   0.000050"  0.000100"  0.000200"  0.000300"  0.000400"  0.00080"

 

 Metric (mm)

Diameter XXX XX X Y Z ZZ
 0.254 mm -
20.96 mm
0.00025 mm 0.00051 mm 0.00102 mm 0.00178 mm 0.00254 mm 0.00508 mm
20.96 mm -
38.35 mm
0.00038 mm 0.00076 mm 0.00152 mm 0.00229 mm 0.00305 mm 0.00610 mm
38.35 mm -
63.75 mm
0.00051 mm 0.00102 mm 0.00203 mm 0.00305 mm 0.00406mm 0.00813 mm
63.75 mm -
114.55 mm
0.00064 mm 0.00127 mm 0.00254 mm 0.00381 mm 0.00508 mm 0.01016 mm
114.55 mm -
163.35 mm
0.00084 mm 0.00165 mm 0.00330 mm 0.00483 mm 0.00635 mm 0.01270 mm
163.35 mm -
228.85 mm
0.00102 mm 0.00203 mm 0.00406 mm 0.00610 mm 0.00813 mm 0.01626 mm
228.85 mm -
305.05 mm
0.00127 mm 0.00254 mm 0.00508 mm 0.00762 mm 0.01016 mm 0.02032 mm

 

Tolerance Directions:

  • Cylindrical Ring Gages:  Go member is to the minus side; NoGo member is to the plus side.
  • Cylindrical Plug Gages:  Go member is to the plus side; NoGo member is to the minus side.
  • Master Gages:  Tolerance is split 50/50.

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