To convert from millimeters (mm) to inches:
| Factor | Value |
|---|---|
| 1 inch to mm | 25.4 mm |
| 1 mm to inch | 0.03937 inches |
A 331mm drill bit is commonly used in:
| Size (Mm) | Size (Inches) | Use | Page |
|---|---|---|---|
| 329 mm | 12.9527559055 inches | General purpose drilling | View |
| 330 mm | 12.9921259843 inches | General purpose drilling | View |
| 331 mm | 13.031496063 inches | General purpose drilling | View |
| 332 mm | 13.0708661417 inches | General purpose drilling | View |
| 333 mm | 13.1102362205 inches | General purpose drilling | View |
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