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Series 657 HSS-Co Straight Shank Jobber Drills
TiN Coated - Metric
Rigid, high heat resistant drill with large helix angle of 35. Suited for titanium and titanium alloys, stainless steels and heat resisting austenitic steels. TiN coated gives greater wear resistance and longer tool life. Limited suitability for special alloys such as Hastelloy, Inconel, Nimonic etc. Manufactured to DIN338.
| Helix Type | High Helix |
| Number of Flutes | 2 |
| Drill Diameter Metric | 3.5mm |
| Flute Type | Spiral |
| Flute Construction | Ground flutes |
| Drill Diameter Tolerance | H8 |
| Point Type | Conventional |
| Size | 3.5mm |
| Diameter | 3.5mm |
| Shank Diameter Tolerance | F11 |
| Drill Diameter | 3.5mm |
| Coolant Delivery | External |
| Material | Cobalt High Speed Steel |
| Web Thickness | Similar to Form C |
| Flute Length | 39mm |
| Overall Length | 70mm |
| Series | 657 |
| Finish/Coating | TiN |
| Helix Angle | 35\u00b0 |
| Standards Met | DIN 338 |
| Cutting Direction | Right Hand |
| MFR Part No. | 00657 003.500 |
| Point Angle | 130\u00b0 |
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