Heavy Duty Hydraulic Hole Punch Die Set 8.5mm Round Hole, 40Cr Steel Construction, Electric Punching Kit for CH70 Electric Punch Machine, Pro Grade, Built To Last, Durable Metal Die Tool, Black

8.5mm Hydraulic Hole Punch Die Set for CH70 (1 set)
✔️ 40Cr steel dies; upper dia 8.5mm, upper height 53mm, lower height 20mm

These heavy-duty hydraulic hole punch dies are designed for CH70 electric punches and other hydraulic punch machines. They punch precise 8.5mm round holes in angle steel, sheet metal, and aluminum, making them a core tool in electrical, construction, and metal fabrication work.

✅ Upper hole dia: 8.5mm; upper height: 53mm; lower height: 20mm
✅ Lower die diameter: 40mm; material: 40Cr steel
✅ Compatible with CH70 and other hydraulic punch machines for precise results

💡 What is a heavy-duty hydraulic hole punch die set used for in metal fabrication?

This handy tool is used to punch accurate holes quickly in metal parts like angle steel, sheet metal, and aluminum, especially in electrical and construction projects. - handy for making exact 8.5mm holes in steel and aluminum - reduces alignment drift and rework with durable 40Cr dies - ideal for retrofit on CH70 electric punch machines and similar hydraulic systems