This is split hole puncher. It is popular in electricity industry, construction, etc. It need to work with a pump. (one of the four is in the puncher). Hydraulic Hole Punching Tool. Punching force 310KN(31T).
Hydraulic Hole Punching Tool Copper Hole Puncher CH-70A for 3# angle iron 4 Dies
Hydraulic Hole Punching Tool Copper Hole Puncher CH-70A for 3# angle iron 4 Dies
🔨 𝐏𝐀𝐑𝐀𝐌𝐄𝐓𝐄𝐑:Capacity:31T(310KN) ; Hole Digger Depth of throat: 3.74(95mm);Puncher Aperture(4 pairs):3/8(ф10.5mm),1/2(ф13.8mm),5/8(ф17mm),3/4(ф20.
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Hydraulic Hole Punching Tool Copper Hole Puncher CH-70A for 3# angle iron 4 Dies