15–35mm Carbide Hole Saw Boring Bit | Wood Hinge Drill
15–35mm Carbide Hole Saw Boring Bit | Wood Hinge Drill
Adjustable 15–35mm Cemented Carbide Hole Saw Boring Bit
Take your woodworking and DIY projects to the next level with this precision-engineered adjustable hole saw boring bit. Compatible with standard power drills, it cuts clean, accurate holes from 15mm to 35mm in diameter — perfect for hinge installation, cabinetry, furniture making, and general woodworking tasks.
Key Features
- Premium Cemented Carbide & High Carbon Steel Construction — High-quality alloy forged blade with advanced sintering technology for exceptional sharpness and long service life.
- 5 Diameter Options — Choose from 15mm (0.59"), 20mm (0.79"), 25mm (0.98"), 30mm (1.18"), or 35mm (1.38") to suit a wide range of boring applications.
- Optimised Curved Body Design — The head radian curve promotes efficient chip ejection for cleaner, smoother cutting results with every pass.
- Unique Positioning Plate — The built-in powder alloy die-cast positioning plate allows for accurate, stress-free hole placement and consistent depth control.
- Versatile Use — Ideal for woodworking, furniture assembly, hinge drilling, and light metalworking applications.
- 1 Piece Included — Packaged as a single hole opener bit, ready to use straight out of the box.
Specifications
| Material | High Carbon Steel, Cemented Carbide |
| Available Diameters | 15mm, 20mm, 25mm, 30mm, 35mm |
| Type | Center Drill Bit / Hole Saw Boring Bit |
| Grit Type | Medium |
| Quantity | 1 Piece |
| Country of Origin | Made in China |
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Note: Actual colour may vary slightly from images due to monitor brightness and lighting conditions. Please allow a minor measurement deviation of ±1mm. 1 cm = 0.39 inches.
Learn more: OSHA guidance on hand and power tools
Frequently Asked Questions
Q: What materials can this carbide hole saw boring bit cut through?
A: This cemented carbide and high carbon steel boring bit is primarily designed for woodworking — including solid wood, MDF, plywood, and chipboard. It is also suitable for light metalworking tasks. For best results, use it at a steady, moderate drill speed.
Q: What drill shank does this hole saw bit use?
A: The bit is designed to fit standard power drills. Please check the shank size against your drill chuck before purchasing to ensure compatibility. The positioning plate helps stabilise the bit during drilling for accurate, repeatable results.
Q: Can I use this bit for hinge installation in cabinets?
A: Yes! This adjustable hole saw boring bit is specifically well-suited for hinge cup drilling in cabinet doors and furniture panels. The built-in positioning plate ensures precise placement, making hinge installation straightforward and accurate.
Q: Is the diameter adjustable, or do I need to select a fixed size?
A: The bit is available in five fixed diameter options: 15mm, 20mm, 25mm, 30mm, and 35mm. You select your required diameter at the time of purchase — each listing is for 1 piece of your chosen size.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.