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Fabricating heavy structural steel, angle irons, and thick copper busbars using standard twist drills is a slow, abrasive, and highly inefficient process. For continuous workshop fabrication, drilling generates excessive heat, ruins expensive drill bits, and leaves jagged burrs that require secondary grinding.
The Changyou electric hydraulic hole puncher LZ25-10 was manufactured to replace those traditional drilling methods in high-volume environments. As a powerful, grid-connected electric hydraulic tool, it is specifically used for punching perfectly clean, distortion-free holes in heavy steel and copper plates up to 10mm in thickness. By combining an integrated 2000W electric motor with a high-pressure hydraulic cylinder, this tool delivers rapid, automated cold-shearing without the operational downtime of recharging batteries.

For professional steel fabricators and switchgear workshops, the LZ25-10 provides unparalleled consistency for repetitive punching tasks.
Unlike battery-powered models that experience power fade, the LZ25-10 plugs directly into your standard 220V mains power supply. The heavy-duty electric motor drives the hydraulic pump continuously, allowing your operators to execute hundreds of heavy steel punches per shift without waiting for batteries to recharge. The punching cycle is extremely fast, shearing through thick metal in just seconds and automatically retracting when the trigger is released.
Abrasive drilling creates hazardous metal shavings and burning sparks. The LZ25-10 utilizes specialized high-carbon alloy steel dies and a cold-shearing hydraulic press mechanism that outputs a massive 20 tons of force. As the die pushes through the 10mm steel plate, it creates a perfectly round, clean hole up to 25.5mm in diameter with zero heat discoloration and no sharp burrs, allowing for the immediate installation of bolts or heavy electrical components.

To ensure this electric puncher meets your workshop's heavy-duty fabrication standards, here are the exact operational limits of the LZ25-10:
Equipment model: Changyou LZ25-10
Voltage: 220V
Power: 2000 W
Maximum punching force: 20 Tons
Maximum material thickness: 10.0 mm (Mild steel, copper, and aluminum)
Maximum punching diameter: Ø 25.5 mm
Maximum throat depth: 60 mm
Standard included dies: Ø 11, 13, 17, 22, and 25.5 mm
Gross weight: 24.0 kg
While the corded Changyou hydraulic hole puncher LZ25-10 is perfect for continuous workshop fabrication, it requires an active power outlet. If your M&E team needs maximum mobility to punch holes in unpowered construction zones or confined switchgear cabinets, we highly recommend our battery-powered alternative.
Operating on a heavy-duty 18V Lithium-ion platform, the Zupper ECH-20 provides complete grid independence. It features a 360-degree rotating head for tight spaces and easily shears through up to 6mm of structural steel. Click the image below to view Zupper ECH-20 specifications and pricing

Heavy fabrication workshops cannot afford machinery downtime while waiting for international freight.
At Asia Pro Equip, we maintain physical stock of the Changyou LZ25-10 electric hydraulic puncher directly in our regional distribution centers across Singapore and Malaysia. As soon as your procurement order is approved, the equipment is handed over to our local logistics network, ensuring rapid delivery to your facility.
Ready to eliminate slow, abrasive drilling in heavy 10mm steel? Contact our technical sales team today to verify available stock, request a transparent corporate quote, and arrange your local delivery.
Corporate Sales & RFQ: [email protected]
Equipment model: Changyou LZ25-10
Voltage: 220V
Power: 2000 W
Maximum punching force: 20 Tons (Approx. 200 KN)
Maximum material thickness: 10.0 mm (Mild steel, copper, and aluminum)
Maximum punching diameter: Ø 25.5 mm
Maximum throat depth: 60 mm
Standard included dies: Ø 11, 13, 17, 22, and 25.5 mm
Gross weight: 24.0 kg (Including heavy-duty carrying case)
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