Chemical Composition    |   International Comparison of Standards   |   Tolerance chart

Size Range (mm) h8 h9 h10 h11 h12 h13 k12/k13
Upto 6 -0.0180 -0.030 -0.048 -0.075 -0.120 -0.180 ­
Over 6 Upto 10 -0.022 -0.036 -0.058 -0.090 -0.150 -0.220 ­
Over 10 Upto 18 -0.027 -0.043 -0.070 -0.110 -0.180 -0.270 ­
Over 18 Upto 30 -0.033 -0.052 -0.084 -0.130 -0.210 -0.330 +0.10/+0.15
Over 30 Upto 50 -0.039 -0.062 -0.100 -0.160 -0.250 -0.390 +0.15/+0.20
Over 50 Upto 80 -0.046 -0.074 -0.120 -0.190 -0.300 -0.460 +0.20/+0.25
Over 80 Upto 120 -0.054 -0.084 -0.140 -0.220 -0.350 -0.540 +0.25/+0.30

Size Range (inch) Tolerance
1/6'' to less than 5/16'' +/-0.001
5/16'' to less than 1/2'' +/-0.0015''
1/2'' to less than 1'' +/-0.002''
1'' to less than 1-1/2'' +/-0.0025''
1-1/2'' to less than 4'' +/-0.003''

 

  
   
 

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