EXTRACUT Titanium-Coated HSS Twist Drill Bits the proven reliability of M2 high-speed steel with a advanced titanium nitride (TiN) PVD coating for dramatically extended tool life and improved cutting performance. The distinctive gold-colored surface reduces friction, prevents built-up edge, and allows for higher cutting speeds compared to uncoated bright-finish drills.
Key Features
- TiN (Titanium Nitride) Coating — 2–3 micron PVD-applied titanium nitride coating reduces friction coefficient by 40%, extending tool life 3× over bright-finish equivalents.
- Increased Hardness — Coating surface hardness reaches 2300 HV, providing superior wear resistance against abrasive workpiece materials.
- Low Friction Surface — Golden TiN layer minimizes heat generation and prevents material adhesion (built-up edge) when drilling sticky materials like aluminum and soft steels.
- M2 HSS Substrate — Premium M2 high-speed steel base ensures toughness and shock resistance beneath the hard coating layer.
- Visual Wear Indicator — The distinctive gold color fades as the coating wears, providing a clear visual indicator for tool replacement timing.
- Wide Size Range — Full metric coverage from Ø1mm to Ø13mm with fractional sizes available.
Applications
Production machining of aluminum alloys, stainless steel (austenitic), brass, copper, and plastic materials where extended tool life and consistent hole quality are critical. Ideal for CNC machining centers, drill presses, and portable power drills in both industrial and professional settings.
Specifications
| Specification |
Value |
| Material |
M2 High-Speed Steel + TiN Coating |
| Coating |
Titanium Nitride (TiN), Gold Color |
| Coating Thickness |
2 – 3 microns (PVD) |
| Point Angle |
135° Split Point |
| Diameter Range |
Ø1mm – Ø13mm |
| Shank Type |
Cylindrical Straight Shank |
| Surface Hardness |
~2300 HV (coated) |
| Substrate Hardness |
63–66 HRC |
| Cutting Speed vs Bright |
+30% – 50% higher |
| Tool Life Extension |
3× – 5× vs uncoated |
| Max Working Temp |
600°C (coating effective) |