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The Series 205 range of jobber drills from Guhring are suitable for drilling steel, cast steel, alloyed and unalloyed, grey cast iron, spheroidal iron, sintered powder metal, German silver and graphite. Featuring a hardy HSS construction and a steam oxide coating for greater wear, heat resistance and chip flow.
Features and Benefits
High-speed steel construction for increased rigidity
Steam (black) oxide coating for increased resistance to heat and wear
Improved chip flow ideal for use with ferrous materials
Standards
Manufactured to BS 328, DIN338RN
Typical Applications
Drilling
Cast iron
Steel
German silver
Graphite
| Shank Diameter Tolerance | F11 |
| Drill Diameter Metric | 4.37mm |
| Drill Diameter | 4.37mm |
| Flute Length | 47mm |
| Series | 205 |
| Point Angle | 118\u00b0 |
| Flute Construction | Ground flutes |
| Web Thickness | Form A |
| Cutting Direction | Right Hand |
| Finish/Coating | Steam Oxide |
| Drill Diameter Inch | 11/64in |
| Product Type | Jobber Drills |
| Point Type | Conventional |
| Flute Type | Spiral |
| Helix Type | Low Helix |
| Number of Flutes | 2 |
| Overall Length | 80mm |
| Drill Diameter Tolerance | H8 |
| MFR Part No. | 00205 004.370 |
| Standards Met | BS 328 | DIN 338RN |
| Coolant Delivery | External |
| Material | HSS |
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