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Series 4000 HSS-Co Parabolic Flute Straight Shank Long Series Drill
TiN Coated - Metric
Parabolic flute form drill with high resistance to non-alloyed and alloyed steels. Chipbreaking point performs well on long chipping materials with a tensile strength up to 1,300 N/mm2. Drills up to 5 x diameter. TiN coating provides longer tool life. Point angle 130. Helix angle: high. Web thickness: strengthened. Relief angle: normal. Tolerance of diameter: h8. Tolerance of shank: f11.
Manufacturing standard: DIN 340.
| Finish/Coating | Uncoated |
| Flute Length | 109mm |
| Product Type | Drills |
| Number of Pieces | 1 |
| Drill Diameter Metric | 8.5 |
| Drill Diameter Tolerance | H8 |
| Helix Angle | 28\u00b0 |
| Standards Met | BS 328 | DIN 340 |
| Drill Diameter | 8.5mm |
| Material | Cobalt High Speed Steel |
| Cutting Direction | Right Hand |
| Shank Diameter Tolerance | F11 |
| System of Measurement | Metric |
| Series | 4000 |
| Shank Type | Straight |
| Overall Length | 165mm |
| Drill Length Type | Long Series |
| Web Thickness | Strengthened |
| Flute Type | Spiral |
| Size | 8.5mm |
| Helix Type | Normal Helix |
| Coolant Delivery | External |
| Point Angle | 135\u00b0 |
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