1. Introduction
Thank you for choosing the MOONBIFFY 90 Degree Right Angle Clamp. This versatile tool is designed to securely hold materials at a perfect 90-degree angle, making it ideal for various woodworking, framing, and assembly tasks. Its durable construction and adjustable design ensure precision and ease of use for both hobbyists and professionals.
2. Safety Information
- Always wear appropriate personal protective equipment (PPE), such as safety glasses, when working with tools.
- Ensure the workpiece is stable and securely clamped before performing any work.
- Do not overtighten the clamp, as this may damage the workpiece or the clamp itself.
- Keep hands and fingers clear of moving parts and clamping surfaces.
- Store the clamp in a dry, safe place away from children.
3. Product Specifications
| Feature | Detail |
|---|---|
| Brand Name | MOONBIFFY |
| Structure | Angle Clamps |
| Material | High quality aluminum alloy |
| Use | Glass Clamp, Woodworking |
| Suitable For | Non-metal materials |
| Certification | CE |
| Product Dimensions | Approx. 17.5 × 11 × 3 cm (Length × Width × Height) |
| Jaw Length | 90mm |
| Max Clamping Thickness | Approx. 7.5 cm |
| Package Weight | 0.135 kg |
| Package Dimensions | 10 × 10 × 10 cm |
Dimensional Diagram


Note: Slight variations in dimensions may occur between different production batches.
4. Setup and Operation
The 90 Degree Right Angle Clamp is designed for straightforward use. Follow these steps for optimal performance:
4.1 Basic Setup
- Prepare Workpiece: Ensure the edges of your materials (wood, glass, etc.) are clean and cut accurately for a 90-degree joint.
- Position Clamp: Place the clamp on a stable work surface.
- Insert Materials: Slide the two pieces of your workpiece into the jaws of the clamp, aligning them to form a 90-degree corner. The swivel jaws and pivot points allow the clamp to adapt to different material thicknesses.
- Tighten Clamps: Turn the independently adjustable screws to gently tighten the jaws against the workpiece. Ensure even pressure on both sides to prevent slippage and achieve a precise angle. Do not overtighten.


4.2 Applications
This clamp is suitable for a variety of tasks:
- Woodworking: Ideal for frame reinforcement, cabinetry, furniture connections, and holding pieces for 45-degree miter cuts.
- Picture Frames: Ensures perfect 90-degree corners for assembling picture frames.
- Glass Assembly: Useful for fixing glass panels, such as in fishtanks or display cases.
- Small Wood Boxes: Provides stability for assembling small wooden boxes or drawers.



4.3 Video Demonstration
5. Maintenance
To ensure the longevity and optimal performance of your right angle clamp, follow these maintenance guidelines:
- Cleaning: After each use, wipe down the clamp with a clean, dry cloth to remove any dust, wood shavings, or adhesive residue.
- Lubrication: Periodically apply a light coat of machine oil to the screw threads to ensure smooth operation and prevent rust.
- Inspection: Regularly check for any signs of wear, damage, or loose components. If any issues are found, address them before further use.
- Storage: Store the clamp in a dry environment to prevent corrosion.
6. Troubleshooting
If you encounter any issues while using the clamp, consider the following:
- Workpiece Slipping: Ensure the clamp jaws are clean and free of debris. Check that the screws are tightened sufficiently, but not excessively. The material itself might be too slick; consider adding a non-slip pad if appropriate for your project.
- Inaccurate Angle: Verify that your workpiece edges are cut precisely at 90 degrees. Ensure the clamp is placed on a flat, stable surface and that the workpiece is fully seated in the jaws before tightening.
- Difficulty Tightening/Loosening: Apply a small amount of lubricant to the screw threads if they feel stiff. Check for any obstructions in the screw mechanism.
7. User Tips
- For delicate materials like glass, use protective pads (e.g., rubber or cork) between the clamp jaws and the workpiece to prevent scratches or damage.
- When assembling larger frames or structures, consider using multiple clamps to distribute pressure evenly and maintain alignment across all joints.
- Always dry fit your pieces before applying adhesive and clamping to ensure a perfect fit.
- The clamp can also be used to hold materials for drilling or fastening, providing an extra set of hands.
8. Warranty and Support
This product is manufactured to high-quality standards. For any questions regarding product use, maintenance, or potential issues, please contact the seller or manufacturer directly. Keep your purchase records for reference.