To convert from inches to millimeters (mm):
| Factor | Value |
|---|---|
| 1 inch to mm | 25.4 mm |
| 1 mm to inch | 0.03937 inches |
A 8.4375inches drill bit is commonly used in:
| Size (Inches) | Size (Mm) | Use | Page |
|---|---|---|---|
| 8.3125 inches | 211.1375 mm | General purpose drilling | View |
| 8.375 inches | 212.725 mm | General purpose drilling | View |
| 8.4375 inches | 214.3125 mm | General purpose drilling | View |
| 8.5 inches | 215.9 mm | General purpose drilling | View |
| 8.5625 inches | 217.4875 mm | General purpose drilling | View |
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