To convert from inches to millimeters (mm):
| Factor | Value |
|---|---|
| 1 inch to mm | 25.4 mm |
| 1 mm to inch | 0.03937 inches |
A 4.125inches drill bit is commonly used in:
| Size (Inches) | Size (Mm) | Use | Page |
|---|---|---|---|
| 4 inches | 101.6 mm | General purpose drilling | View |
| 4.0625 inches | 103.1875 mm | General purpose drilling | View |
| 4.125 inches | 104.775 mm | General purpose drilling | View |
| 4.1875 inches | 106.3625 mm | General purpose drilling | View |
| 4.25 inches | 107.95 mm | General purpose drilling | View |
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