Adotools 12mm diameter annular cutter with Japanese quality is a reliable solution with a tool life of up to 1,000 holes and a fast cycle time of 45 seconds per hole. With its specialized design, this product is suitable for various materials and meets the demand for precision drilling.

1. What Makes the 12 x 35mm Carbide Annular Cutter Special?
Here are the standout features you cannot miss about the Adotools 12 x 35mm annular cutter:

- Exceptional Tool Life & Reliability: Adotools cutters can drill 500 – 1,000 holes in steel, ensuring a long service life and high reliability for structural steel fabrication and shipbuilding projects. It is an indispensable tool for professionals who demand precision and consistency.
- Japanese Quality & 1-to-1 Warranty: Manufactured in Japan with a committed 1-to-1 replacement warranty for any manufacturing defects. Capable of drilling through various steel thicknesses, it ensures superior quality and peace of mind for the user.
- Time & Cost Efficiency: The Adotools 12mm cutter optimizes productivity with a competitive price point, taking only 45 seconds to drill one hole. This is a highly efficient tool for projects with short lead times or tight deadlines.
- Advanced Ergonomic Design: Featuring sharp carbide-tipped (TCT) teeth and triple-edge geometry (3-edge grinding), the design ensures deep penetration and smooth chip evacuation. This significantly reduces operator fatigue while boosting labor efficiency and overall productivity.
- Unbeatable Value: Adotools provides the best value-to-cost ratio, with quality that rivals any top-tier brand. We offer a 3-day product trial—please contact us for professional consultation.
In addition, Adotools carbide annular cutters are capable of machining the following materials:
- Steel and Alloy Steel: Including both mild and hardened steels.
- Hardened Steel: Up to 40 HRC.
- Stainless Steel and Cast Iron: Up to 30 HRC.
- Inconel (Superalloy): Capable of machining materials with hardness up to 30 HRC.
Adotools Annular Cutters are the effective solution for various industrial sectors such as structural steel, beams, shipbuilding, automotive, and more.
2. Technical Specifications

Dưới đây là thông số mũi khoan từ phi 12×35 của hãng Adotools nhé!
| Brand | Adotools |
| Product Code | ADT-TCT-CD35120 |
| Material | TCT (Tungsten Carbide Tipped) |
| Diameter | 12 mm |
| Length (Depth of Cut) | 35 mm |
| Carbide Teeth Geometry | Triple-edge cutting (3-edge grinding) |
| Shank Type | Universal Shank 19.05mm |
Additionally, the cutting teeth can be reground to maximize cost savings during use.
3. After-Sales Service for Adotools Annular Cutters
Here are the essential after-sales policies for Adotools annular cutters that you should not miss:
- 3-Day Free Trial: Test the quality of Adobus products for 3 days before making a purchase.
- 1-to-1 Replacement Policy: We guarantee satisfaction with a 1-to-1 exchange if the product does not meet the committed quality standards.
- Express Delivery: Fast shipping services to keep your project on schedule.
- Technical Consultancy: Free expert advice on product selection and optimal cutting parameters tailored to your specific requirements.
Contact Adobus now to register for your free trial today!
4. Usage and Maintenance Notes for Annular Cutters
To maximize tool life, please strictly adhere to the following guidelines:
- Avoid Physical Impact: Do not drop the cutter to prevent structural damage or chipping of the cutting edges.
- Proper Storage: Keep the product in its protective case and avoid direct sunlight to preserve material integrity and extend service life.
- Corrosion Protection: Apply anti-rust oil and clean the tool thoroughly after use to maintain performance and longevity.
- Clean Carbide Teeth: Regularly clean the TCT (Tungsten Carbide Tipped) teeth to prevent premature wear during long-term operations.
- Cost Efficiency: Following these steps will significantly reduce replacement costs.
Additional Maintenance Tips for Magnetic Drilling Machines:









