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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
| Drill Diameter Tolerance | H8 |
| Material | M42 Cobalt High Speed Steel |
| Type | M42 |
| Drill Diameter | 8.5mm |
| Overall Length | 79mm |
| Flute Type | Spiral |
| Series | 1259 |
| Product Type | Stub Drills |
| Standards Met | DIN 1987 |
| Cutting Direction | Right Hand |
| Finish/Coating | Bright |
| System of Measurement | Metric |
| Flute Construction | Ground flutes |
| Shank Diameter Tolerance | F11 |
| Point Angle | 135\u00b0 |
| Flute Length | 37mm |
| Coolant Delivery | External |
| Number of Flutes | 2 |
| Number of Pieces | 1 |
| Helix Type | Normal Helix |
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