To convert from millimeters (mm) to inches:
| Factor | Value |
|---|---|
| 1 inch to mm | 25.4 mm |
| 1 mm to inch | 0.03937 inches |
A 229mm drill bit is commonly used in:
| Size (Mm) | Size (Inches) | Use | Page |
|---|---|---|---|
| 227 mm | 8.937007874 inches | General purpose drilling | View |
| 228 mm | 8.9763779528 inches | General purpose drilling | View |
| 229 mm | 9.0157480315 inches | General purpose drilling | View |
| 230 mm | 9.0551181102 inches | General purpose drilling | View |
| 231 mm | 9.094488189 inches | General purpose drilling | View |
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