Description
This three-piece copper plate set acts as a heat sink to prevent warping while welding thin panels. The Magnum WH backs up small holes and rips, ensuring weld material does not stick to the fixture.
Features
- Copper Construction – Prevents welding material from sticking to the plate
- Heat Sink Capability – Dissipates heat to minimize panel warping
- Multiple Profiles – Includes angled, curved, and flat plates for various joints
Specifications
- Material: Copper
- Supplier Part Number: 180-0405
- KMS Product Code: MAG-WH
Common Shop Applications
- Backing up weld holes in sheet metal
- Supporting joints on angled panels
- Providing a heat sink on flat seam welds
Includes
- 90-degree angle plate
- Curved plate
- Offset flat plate
- Universal handle
- Two set screws
Recommended Shop Add-Ons
- Magnum Butt Weld Clamps (4 pk)
- Magnum Upright Welder & Cylinder Cart
Frequently Asked Questions
Q: Will the weld stick to these plates? A: No, welding material will not stick to the copper plates.
Q: Do they help reduce heat? A: Yes, each plate acts as a heat sink to prevent warping.









