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Tolerances

All tolerances are quoted as minus limit

Tolerances for Bright Drawn, Turned & Ground Bars

Millimeters (sizes in metric) dia h11 turned bar h10 drawn bar h9 ground bar
1 to 3 .060 .040 .025
3 to 6 .075 .048 .030
6 to 10 .090 .058 .036
10 to 18 .110 .070 .043
18 to 30 .130 .084 .052
30 to 50 .160 .100 .062
50 to 80 .190 .120 .074
80 to 120 .220 .140 .087
120 to 180 .250 .160 .100

Tolerances for Bright Drawn, Turned & Ground Bars

All tolerances are quoted as minus limit

Thousandths of an Inch (sizes in imperial) dia h11 turned bar h10 drawn bar h9 ground bar
1/16″ – 1/8″ .0024 .0016 .0010
1/8″ – ¼” .0029 .0019 .0012
¼” .0035 .0023 .0014
3/8″ – ¾” .0043 .0028 .0017
¾” – 1 3/16″ .0051 .0033 .0020
1 3/16″ – 2″ .0063 .0039 .0025
2″ – 3 1/8″ .0074 .0047 .0029
3 1/8″ – 4 ¾” .0086 .0055 .0034
4 ¾” – 7″ .0098 .0063 .0039
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