Rubber Electric Box Insert Magnet for Prefabricated Building Construction
Product Introduction
Concrete Electrical Box Insert Magnet
The Electrical Box Insert Magnet combines a durable rubber body with a powerful NdFeB disk magnet. It attaches directly to steel or iron formwork to securely hold electrical boxes, conduits, and inserts in place during precast concrete production. After removal, it leaves a clean, precise groove in the concrete for easy component installation.
Product Features
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Rubber body with integrated neodymium magnet
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Strong magnetic holding force ensures stability during pouring
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Easy to install and remove—no screws or welding required
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Reusable and durable design for long-term cost savings
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Leaves precise grooves for accurate component placement
Technical Specifications
| Parameter | Description |
|---|---|
| Material | Rubber + NdFeB magnet |
| Application | Electrical boxes, conduits, switch holes in precast slabs |
| Installation | Direct magnetic adhesion to steel/iron formwork |
| Result | Leaves clean, precise recess in concrete after removal |
| Key Benefits | Strong holding force, reusable, precise positioning |
Why Choose Our Insert Magnet?
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Industry-proven solution for precast concrete production
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Prevents inserts from sliding or shifting during pouring
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Enhances production efficiency, accuracy, and workplace safety





