Countersink Bit
This is a high-speed steel (HSS) countersink with a 60-degree countersink angle and three cutting edges. It features a tin-coated surface treatment for enhanced durability and performance.



Technical Specifications
Product Overview
High-Performance HSS Countersink Bit
This professional-grade countersink bit is engineered from high-speed steel (HSS) for superior durability and cutting efficiency. Designed with a 60-degree countersink angle and three precision cutting edges, it ensures clean, accurate finishes on a variety of materials. The surface is enhanced with a TiN (Titanium Nitride) coating, significantly extending tool life and improving performance under demanding conditions.
Technical Specifications
Surface Treatment
- Material
- High-Speed Steel (HSS)
- Countersink Angle
- 60 °
- Number of Cutting Edges
- 3
Size Specifications
Size Dimensions Table
| Flute Diameter (D) | Shank Diameter (d) | Total Length (L) |
|---|---|---|
| 6.3 | 5 | 45 |
| 8 | 6 | 50 |
| 10 | 6 | 53 |
| 12.5 | 8 | 56 |
| 16 | 10 | 63 |
| 20 | 10 | 67 |
| 25 | 10 | 71 |



