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General purpose drills for steels, cast steel, grey cast iron, malleable cast iron, nickel brass, aluminium alloy and graphite. Made from high speed steel with a black oxide coating for excellent heat and wear resistance during applications.
Features and Benefits
Made from high speed steel for increased rigidity and strength
Black oxide coating for greater heat and wear resistance
Specifications
Point angle: 118
Tolerance of diameter: h8
Tolerance of shank: f11
Black finish (W-Finish), up to 3.00mm bright finish
BS 328/DIN338RN
Typical Applications
Steels
Cast steels
Grey cast iron
Malleable cast steel
Cast iron
Nickel
Brass
Aluminum alloy
Graphite
| Flute Construction | Ground flutes |
| Standards Met | BS 328 | DIN 338 |
| Material | HSS |
| Helix Type | Normal Helix |
| Web Thickness | Standard |
| Finish/Coating | Black Oxide |
| Point Angle | 118\u00b0 |
| Series | A1211 |
| Drill Diameter Tolerance | H8 |
| Cutting Direction | Right Hand |
| Flute Length | 62mm |
| Product Type | Jobber Drills |
| Size | 7.7mm |
| Coolant Delivery | External |
| MFR Part No. | 5058830 |
| Drill Diameter | 7.7mm |
| Number of Flutes | 2 |
| Overall Length | 117mm |
| Shank Diameter Tolerance | F11 |
| Flute Type | Spiral |
Payment & Security
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