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Series A100 HSS Straight Shank Jobber Drills - Gauge
Suitable for drilling steel, cast steel, alloyed and unalloyed, grey cast iron, spheroidal iron, sintered powder metal, German silver and graphite. Manufactured to BS328/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.8 |
| Finish/Coating | Steam Tempered |
| MFR Part No. | A100N8 |
| Overall Length | 86mm |
| Helix Type | Normal Helix |
| Coolant Delivery | External |
| Drill Diameter Tolerance | H8 |
| Series | A100 |
| Shank Type | Straight |
| Standards Met | DIN 338 |
| Point Angle | 118\u00b0 |
| Product Type | Jobber Drills |
| Cutting Direction | Right Hand |
| Material | HSS |
| Flute Type | Spiral |
| Flute Construction | Ground flutes |
| Number of Flutes | 2 |
| Flute Length | 52mm |
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