Adjustable Circle Glass Cutter with Oil Dropper | DIY Tile Tool
Adjustable Circle Glass Cutter with Oil Dropper | DIY Tile Tool
Cut Perfect Circles Every Time — No Experience Needed
Whether you're a seasoned tradesperson or a weekend DIY enthusiast, this Adjustable Circle Glass Cutter makes cutting precise circular holes in glass and tile effortless. With its built-in oil dropper for smooth scoring and a fully adjustable arm for customizable diameters, this tool delivers clean, accurate cuts with minimal effort. Available in two sizes — 20 cm (7.87 in) and 40 cm (15.75 in) — it's the versatile hand tool your workshop has been missing.
Key Features
- Adjustable Compass Design: Easily set your desired circle diameter with the sliding arm — no guesswork, just precision.
- Built-In Oil Dropper: Automatically lubricates the cutting wheel as you score, resulting in smoother lines and extended cutter life.
- Durable Construction: Made from sturdy plastic and alloy components for long-lasting performance on glass, tile, and mirror surfaces.
- Two Size Options: Choose 20 cm for smaller circles or 40 cm for larger window holes and tile cutouts.
- Comfortable Grip Handle: Ergonomically shaped for steady, controlled rotation around the center pivot point.
- DIY & Professional Use: Ideal for window installations, tile remodeling, mirror work, and craft projects.
Product Specifications
| Material | Plastic & Alloy |
| Available Sizes | 20 cm (7.87 in) / 40 cm (15.75 in) |
| Lubrication | Built-in oil dropper |
| Package Includes | 1 × Adjustable Circle Glass Cutter |
| Country of Origin | Made in China |
How to Use
- Set the suction cup center anchor firmly on the glass or tile surface.
- Adjust the arm to your desired circle radius and lock it in place.
- Fill the oil dropper with cutting oil to lubricate the scoring wheel.
- Rotate the cutter firmly and evenly around the pivot to score a clean circle.
- Tap gently from underneath to complete the cut.
Note: Color may vary slightly between monitors. Please allow ±1–3 mm measurement tolerance due to manual sizing methods.
For general workshop safety guidance when using hand cutting tools, visit the U.S. Occupational Safety and Health Administration (OSHA) – Hand & Power Tools Safety.
Frequently Asked Questions
Q: What surfaces can this adjustable circle glass cutter be used on?
A: This circle glass cutter is designed for use on flat glass, mirror surfaces, and ceramic tile. It works best on smooth, even surfaces where the center anchor can grip securely. It is not recommended for tempered or laminated glass.
Q: What is the difference between the 20 cm and 40 cm sizes?
A: The 20 cm version allows you to cut circles up to approximately 7.87 inches in diameter, making it ideal for smaller holes such as light fixtures or small tile cutouts. The 40 cm version extends up to approximately 15.75 inches, suitable for larger window openings or bigger decorative tile cuts.
Q: Does the oil dropper come pre-filled?
A: The oil dropper is included but not pre-filled. You will need to add your own cutting oil or a light mineral oil before use to ensure smooth scoring and to protect the cutting wheel.
Q: Is this tool suitable for beginners?
A: Yes! The adjustable compass mechanism and built-in oil dropper make it straightforward for DIYers of all skill levels. Simply set the radius, lock the arm, and rotate steadily for a clean score line.