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High heat resistant drill with wide chip space for very deep holes in difficult conditions, such as when swarf congestion hinders the flow of coolant to the drill point or when tool overheating arises from other causes. For use in steels and cast steels of high tensile strength (not suitable for lubrication holes in crankshafts).
Features
Manufactured to DIN 1869
Shank tolerance h8
130 Point angle
Web thinning >2.70
15xD
Straight shank , Extra length
Increased wear resistance
Sizes 3.00mm to 10.00mm
| Product Type | Drills |
| System of Measurement | Metric |
| Drill Diameter | 8mm |
| Flute Type | Parabolic |
| MFR Part No. | 00618 008.000 |
| Finish/Coating | Uncoated |
| Shank Type | Straight |
| Drill Length Type | Extra Length |
| Depth x Diameter Ratio | 15xD |
| Helix Type | High Helix |
| Drill Diameter Metric | 8 |
| Point Type | Thinned Point |
| Standards Met | DIN 1869 |
| Number of Pieces | 1 |
| Flute Construction | Ground flutes |
| Overall Length | 240mm |
| Point Angle | 130\u00b0 |
| Drill Diameter Tolerance | H8 |
| Coolant Delivery | External |
| Material | Cobalt High Speed Steel |
| Number of Flutes | 2 |
| Flute Length | 165mm |
| Web Thickness | Form A |
| Series | 618 |
| Cutting Direction | Right Hand |
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