Extra long length uncoated ultrafine micrograin carbide drills suitable for drill depths up to 40xD. Achieve up to 4x faster deep hole drilling than conventional HSS and gun drills on Aluminium & Non-Ferrous applications. The KN25 grade has a polished finish to prevent built up edge and enable a superior hole surface finish.
Features & Benefits
- Extra long length drill up to 40xD
- Up to 4x faster deep hole drilling than conventional HSS & gun drills
- Designed for optimum use on Aluminium & Non-Ferrous applications
- Through coolant capabilities for better chip evacuation
- KN25 grade with sharp cutting edge and uncoated polished finish to prevent built up edge
- Ultrafine micrograde carbide substrate
Specification
| Category | Hole Making | Sub Category | Carbide Drills | Sub Category 2 | Carbide Drills (Other) | Shank Tolerance | h6 | Substrate | Carbide | Surface Treatment | Uncoated | Coating Description | Uncoated Polished | Through Coolant | Yes | Substrate Description | Ultrafine Micrograin Carbide | Self Centring | Yes | Helix Angle | 30° | Brand | Kennametal |
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