Hydraulic Hole Punch Die Set 10mm x 20mm Slot Hole for CH70 Electric Punching Machine, 40Cr Steel Heavy Duty Replacement Kit in Black, Durable Upper and Lower Dies for Precise Slot Punches and Reliable Performance

Heavy Duty 40Cr Hydraulic Hole Punch Die Set 10x20mm
✔️ 40Cr steel dies, 10x20 slot hole; set incl. upper & lower dies

This hydraulic hole punch die set is a durable replacement kit designed for precise slot punching in CH70 electric punching machines. Built from 40Cr steel, it delivers reliable performance for construction, electrical, and metal fabrication tasks.

✅ Material: 40Cr steel upper and lower dies for long life
✅ Hole: slot 10 mm x 20 mm (0.39 in x 0.79 in), hardness HRC56-58
✅ Die heights and diameter: upper 53 mm (2.09"), lower 20 mm (0.79"), lower diameter 40 mm (1.57")
✅ Compatibility: works with various hydraulic punching machines for precise results
✅ Applications: punch angle steel, angle iron, V-shaped steel, sheet metal, and angle aluminum
✅ Package: set includes upper and lower dies finished in black

💡 What is a hydraulic hole punch die used for in metal fabrication?

This handy tool helps punch precise slot holes in steel and aluminum, boosting efficiency and edge quality.

- Handy for making 10x20 mm slots in structural metal

- Works with CH70 and other hydraulic punch machines

- Built from durable 40Cr steel for long life