Standard dimensions of round hole punches:
Symbol | Hole diameter [mm] | For M screw |
HD 163 – 8,5 | 8,5 | 8 |
HD 163 – 11 | 11 | 10 |
HD 163 – 13 | 13 | 12 |
HD 163 – 17 | 17 | 16 |
HD 163 – 21 | 21 | 20 |
Standard dimensions of oval hole punches:
Symbol | Dimension A [mm] | Dimension B [mm] | For M screw |
HD 164 8,5-12 | 8,5 | 12 | 8 |
HD 164 11-16 | 11 | 16 | 10 |
HD 164 13-18 | 13 | 18 | 12 |