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Series 1259 M42 Straight Shank Stub Drills are manufactured from HSS-E / M42 8% cobalt alloyed steel for especially high wear resistance. Suitable for use on medium/high tensile CrNi-based alloys, hastelloy, Inconel, Nimonic stainless/acid/heat resistant steels,wear-resistant sheet metals and steels/bronzes up to 1400 N/mm.
Features and Benefits
HSS-E cobalt alloy steel construction for increased durability
Excellent wear resistance offers a prolonged tool life
Designed for use on medium to high tensile alloys
Typical Applications
Drilling
Medium to High tensile alloys
Heat resistant alloys
Notes
Metric sizes 1.00mm to 15.87mm
3xD Drilling depth
| Helix Type | Normal Helix |
| Shank Diameter Tolerance | F11 |
| Flute Type | Spiral |
| Number of Pieces | 1 |
| Series | 1259 |
| Overall Length | 46mm |
| Finish/Coating | Bright |
| Material | M42 Cobalt High Speed Steel |
| MFR Part No. | 01259 002.800 |
| Standards Met | DIN 1987 |
| System of Measurement | Metric |
| Drill Diameter Tolerance | H8 |
| Number of Flutes | 2 |
| Point Angle | 135\u00b0 |
| Product Type | Stub Drills |
| Drill Diameter | 2.8mm |
| Flute Construction | Ground flutes |
| Flute Length | 16mm |
| Cutting Direction | Right Hand |
| Drill Diameter Metric | 2.8 |
| Coolant Delivery | External |
| Type | M42 |
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