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ANSI Letter Drill Sizes (Jobber) Overview
This page provides standardized, specification-oriented reference information.
Specifications
| Specification | Value |
|---|---|
| System | ANSI letter sizes (A–Z) |
| Typical Use | Intermediate hole sizing between fractional and numbered drills |
| Notes | Confirm exact diameters from a trusted chart; tolerances vary by drill class. |
Availability
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Sources
- Industrial drill size charts (overview)
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