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Series 305 HSS-Co straight shank jobber drills are general purpose drills for use on cast steel, alloyed / unalloyed steel,cast materials,heat treatable and case hardened steels. Manufactured from high speed steel with a steam tempered finish and cobalt they feature good cutting hardness and are available in a range of metric sizes
Features and Benefits
Metric sizes 0.20mm to 20.00mm
High speed steel and cobalt for good cutting hardness and durability
A steam tempered surface provides an improved corrosion protection
Standards
Manufactured to DIN 338
| Flute Type | Spiral |
| Helix Type | Normal Helix |
| Number of Flutes | 2 |
| Standards Met | DIN 338 |
| Material | Cobalt High Speed Steel |
| Coolant Delivery | External |
| Flute Length | 75mm |
| MFR Part No. | 00305 008.100 |
| Point Angle | 118\u00b0 |
| Series | 305 |
| Finish/Coating | Steam Oxide |
| Cutting Direction | Right Hand |
| Drill Diameter Tolerance | H8 |
| Flute Construction | Ground flutes |
| Drill Diameter Metric | 8.1mm |
| Shank Diameter Tolerance | H8 |
| Overall Length | 117mm |
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