To convert from millimeters (mm) to inches:
| Common Conversion Factors | Value |
|---|---|
| 1 inch to mm | 25.4 mm |
| 1 mm to inch | 0.03937 inches |
A 138mm drill bit is commonly used in metric measurements for:
| Size in Mm | Size in Inches | Common Applications | Calculation Page: |
|---|---|---|---|
| 136 mm | 5.3543 inches | General purpose drilling | View Calculation |
| 137 mm | 5.3937 inches | General purpose drilling | View Calculation |
| 138 mm | 5.4331 inches | General purpose drilling | View Calculation |
| 139 mm | 5.4724 inches | General purpose drilling | View Calculation |
| 140 mm | 5.5118 inches | General purpose drilling | View Calculation |
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