| TECHNICAL INFORMATION FOR DRILL BUSHINGS |
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INCHES Tolerance Specifications
For Drills
| I.D. SIZE (For Nominal)
|
ID TOLERANCE (Over Nominal) |
| Up to 0.25" |
+0.0001" to +0.0004" |
| Over 0.25" to 0.75" |
+0.0001 to +0.0005" |
| Over 0.75" to 1.5" |
+0.0002"to +0.0006" |
| Over 1.5" to 1.8750" |
+0.0003 to +0.0007" |
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INCHES Tolerance Specifications
For Reamers
| ID SIZE (For Nominal) |
ID TOLERANCE (Over Nominal) |
| Up to 0.25" |
+0.0005" to +0.0008" |
| Over 0.25 to 1" |
+0.0006" to +0.0010" |
| Over 1" |
+0.0008" to +0.0012" |
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METRIC Tolerances For
Drills
| ID SIZE (For Nominal) mm. |
ID TOLERANCE (Over Nominal)
mm. |
| 0.36 to 3.00 |
+ 0.002 to +0.008 |
| 3.01 to 6.00 |
+0.004 to +0.012 |
| 6.01 to 10.00 |
+0.005 to +0.014 |
| 10.01 to 18.00 |
+0.006 to ++0.017 |
| 18.01 to 30.00 |
+0.007 to + 0.020 |
| 30.01 to 50.00 |
+0.009 to +0.025 |
| 50.01 to 55.00 |
+0.010 to +0.029 |
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METRIC Tolerances For Reamers
| ID SIZE (For Nominal) mm. |
ID TOLERANCE (Over Nominal) mm. |
| 1.0 to 3.00 |
+0.006 to +0.012 |
| 3.01 to 6.00 |
+0.010 to +0.018 |
| 6.01 to 10.00 |
+0.013 to +0.022 |
| 10.00 to 18.00 |
+0.016 to +0.027 |
| 18.01 to 30.00 |
+0.020 to +0.033 |
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CONCENTRICITY: ( Total indicator
reading ).
| STANDARD |
ID SIZE |
TOLERANCE |
| ANSI |
1/8" to 1/2" |
0.0 to 0.0003 T.I.R max |
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Over 1/2" |
0.0005" T.I.R. max |
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| METRIC |
All Sizes |
0 to 0.012 mm T.I.R. |
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T.I.R. = Total Indicator
Readings
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We
welcome your inquiries
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