CH-70 hydraulic hole puncher
CH-70 hydraulic hole puncher, for punching steel plate, copper busbar and brass.
CH-70 hydraulic hole puncher, is a professional portable hole punching tool for punching holes in mild steel plate, copper busbar and brass.
Capable for round holes, oblong holes and square holes, hole size is max up to 25mm by diameter.
| Punching force | 35 ton |
| Punching throat width |
110mm |
| Hole sizes included with machine unit | 10.5mm, 13.8mm, 17mm, 20.5mm |
| Hole sizes range |
4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7mm, 7.5mm, ... 25mm. Oblong sizes, Square sizes, for optional. |
| Weight | 31KG |
| Package | Ply-wooden box |
| Appropriate pump | Hydraulic hand pump, or electric hydraulic pump. |
CH-70 is a bigger and stronger hole puncher than CH-60 model.
Another appearance of CH-70 hydraulic hole punching machine:
Same punching range, same price, same punching hole dies.
Hole punch dies are made by Cr40# steel material, with high degree of hardness.












