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Kennametal B976 carbide drills have excellent centring capabilities, four margin land design that improves hole straightness and roundness to provide good alignment even when drilling through cross holes.
Other Features and Benefits include:
Kenna Universal Drill Point Design
Low thrust.
Through coolant holes.
KC7315 Grade
A multilayer, TiAlN-based coating with high hot hardness enables 30% higher cutting speeds and constant tool life. Optimised tool surface finish ensures chip evacuation when drilling deep holes.
Customisation
Intermediate diameters available as semi-standards.
Length variations and step drills available as custom solutions.
| Series | B976A |
| Drill Diameter | 4.2mm |
| Drill Diameter Metric | 4.2000mm |
| Flute Length | 24mm |
| Point Angle | 140\u00b0 |
| Diameter x Depth | 5xD |
| Cutting Direction | Right Hand |
| Shank Diameter | 6mm |
| Product Type | Carbide Drill |
| Finish/Coating | TiAlN |
| Overall Length | 66mm |
| Standards Met | DIN 6535 |
| Number of Flutes | 2 |
| Flute Type | Spiral |
| Helix Angle | 30\u00b0 |
| Helix Type | Normal Helix |
| ISO Category Grade | K |
| Shank Diameter Tolerance | H6 |
| Material | Carbide |
| Carbide Drill Type | Carbide High Performance |
| ISO Category | K | M | N | P | S |
| MFR Part No. | 1913516 |
| Drill Diameter Tolerance | M7 |
| Coolant Delivery | Coolant Through |
| Material Grade | KC7315 |
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