Changyou Battery Hydraulic Hole Puncher for 4mm C-shaped Purlins CM-620CZ

Fabricating steel structures on active construction sites often requires modifying C-shaped or Z-shaped purlins directly on the scaffolding or roofing framework. Using traditional magnetic drills in these high-altitude, unpowered environments is not only dangerous but extremely slow. Furthermore, standard flat-jaw punchers cannot be used because they get blocked by the folded lip of the channel steel.

The Changyou battery hydraulic hole puncher CM-620CZ was manufactured specifically to solve the challenges of on-site purlin fabrication. As a highly specialized cordless hydraulic tool, it features a custom-designed throat that easily bypasses the lip of Z-shaped and C-shaped profiles. Powered by a heavy-duty Lithium-ion platform, this portable unit delivers fast, burr-free cold shearing for structural steel up to 4mm in thickness, giving your roofing and M&E teams complete mobility without the hazard of trailing power cords.

Engineered for real-world purlin fabrication

This tool isn't just a standard puncher; it is a specialized instrument tailored for the exact dimensions of channel steel and the harsh realities of field work.

Specialized jaw design for flanged profiles

The critical feature of the Changyou hydraulic hole puncher CM-620CZ is its uniquely angled punching head and optimized throat depth. Unlike standard punchers that jam against the returned edge of a Z-purlin or Unistrut, this tool effortlessly hooks over the lip, allowing the die to align perfectly on the flat web of the steel channel. This guarantees highly accurate holes for bolting or running threaded rods.

Complete grid independence

Working on roof trusses or aerial lifts means power outlets are rarely accessible. By operating entirely on a high-capacity battery platform, this tool provides your fabricators with 100% mobility. The motorized hydraulic cylinder takes over the hard work, executing a clean, automated punch in just seconds, drastically reducing operator fatigue compared to manual hand-pumping.

The 4mm practical working limit

At Asia Pro Equip, we prioritize operational reliability over exaggerated theoretical specifications. While theoretical limits might be stated higher under perfect laboratory conditions, our extensive field testing dictates a highly recommended continuous working limit of 4mm maximum thickness for the CM-620CZ. Adhering to this 4mm practical limit ensures zero jamming, perfectly clean holes, prevents motor burnout, and exponentially increases the operational lifespan of both the hydraulic seals and the punching dies.

Technical specifications

To ensure this cordless purlin puncher meets your on-site fabrication standards, here are its exact operational limits:

• Model: Changyou CM-620CZ

• Power platform: 20V Lithium-ion battery system

• Maximum material thickness (Recommended): 4.0 mm (Mild steel, C-shaped, Z-shaped purlins, and channel steel)

• Punching diameter: Ø16mm or 16x18mm

• Maximum size of purlin: 200mm

• Standard included dies: Ø10, 12, 14, 16mm

• Tool weight: 8.5 Kgs

• Warranty: 12 months for motor

Need higher capacity? Explore our corded heavy-duty alternative

If your fabrication demands exceed 4mm, or if you are setting up a permanent workshop with active power outlets, we highly recommend upgrading to our heavy-duty corded model.

(Please note: The price listed at the top of this page is for the battery-powered CM-620CZ only).

Changyou LZ25-10 electric hydraulic hole puncher (10mm steel)

Designed for continuous workshop fabrication, the LZ25-10 plugs directly into a 220V mains supply. Driven by a massive 2000W motor, it generates 20 tons of hydraulic force to effortlessly punch through structural steel plates and copper busbars up to 10mm thick. Click the image below to view Changyou LZ25-10 specifications and pricing

Local fulfillment through Asia Pro Equip (A.P.E)

When your construction crew is waiting to install roofing panels or heavy M&E ducting, you cannot afford to wait weeks for international tool shipments.

At Asia Pro Equip, we maintain physical, ready-to-deploy stock of the Changyou CM-620CZ battery purlin 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 your on-site teams stay ahead of schedule.

Equip your field teams today

Ready to eliminate slow drilling and overcome the challenges of C-shaped and Z-shaped purlins? Contact our technical sales team today to verify current stock levels, request a transparent corporate quote, and arrange your local delivery.

• Corporate Sales & RFQ: [email protected]

• Website: https://asiaproequip.com