Product Description: Annular cutter (also called core drill or broach cutter) is a high-efficient drilling cutter with multi-edge rail cutter. The diameter ranges from 12mm-150mm. Mainly used in steel structure projects, rail traffic, bridging, shipbuilding, and machine manufacturing.
Compared to traditional twist drills, these cutters offer high drilling efficiency, portability, and labor-saving properties. They are widely compatible with magnetic drilling machines, CNC drilling machines, and other equipment, effectively shortening manufacturing periods.
According to material, there are two main series: Carbide annular cutters (high cutting speed for complex materials) and HSS annular cutters (stability and regrinding capability).
Product Characteristics:
| Product name | Annular cutter |
| Shank type | Universal shank (Weldon/Fein available) |
| Diameter | 12-65mm (Customization available) |
| Cutting depth | 25/50/75/100mm |
| Applicable material | Steel, stainless steel, aluminum, brass, cast iron, etc. |
| Cutting depth (mm) | Diameter (mm) | Pilot pin (mm) |
|---|---|---|
| 25 | φ12-65 | DPB 6.34*77 |
| 50 | φ12-65 | DPB 6.34*102 |
| 75 | φ18-65 | DPB 7.98*130 |
| 100 | φ18-65 | DPB 7.98*160 |









Established in 1992, we are a professional manufacturer specializing in R&D and high-performance cutting tools. We are recognized as a leader in the global annular cutter industry.
Our product portfolio includes: Annular Cutters, Rail Cutters, Hole Saws, Spade Drills, Step Drills, Countersinks, Solid Carbide Cutters, Magnetic Drilling Machines, and Diamond Drilling Bits.
We operate under the ISO9001:2008 quality control system, ensuring high-standard quality requirements. Our facility is equipped with modern production lines, including internationally-known CNC machine tools and advanced heat treatment lines. We invest heavily in R&D to continuously improve products and develop new solutions to meet customer demands.
Over the past 30 years, we have been honored as a "State-level High-tech Enterprise" and a "Provincial Technology R&D Center." Our commitment to energy saving, emission reduction, and low-carbon production allows us to provide reliable products with excellent service.




