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Series 205
Suitable for drilling steel, cast steel, alloyed and unalloyed, grey cast iron, spheroidal iron, sintered powder metal, German silver and graphite. Manufactured to BS 328, DIN338RN.
Black Finish (W-Finish)
This is the most common surface finish and is the result of a steam tempering operation in which steam is passed over the product during a controlled tempering cycle, producing a black oxide layer. Black tools are generally recommended for ferrous applications where the oxide layer aids chip flow, helps to dissipate heat by retaining some coolant on the tool surface and also helps to prevent the tool from staining.
| Drill Diameter Gauge | No.58 |
| Material | HSS |
| Finish/Coating | Steam Oxide |
| Cutting Direction | Right Hand |
| Flute Construction | Ground flutes |
| Product Type | Jobber Drills |
| Type | Jobber Drills |
| MFR Part No. | 00205 001.070 |
| Series | 205 |
| Gauge | 58 |
| Depth x Diameter Ratio | 5xD |
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