Guhring - 8.5mm 130° Parabolic Flute High Speed Steel Screw Machine Drill Bit
Item #: 78167442
Brand: Guhring
Model #: 9005530085000
Features and Benefits
High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Parabolic flutes have a wider flute shape for increased chip flow.
| Product Specifications | |
|---|---|
| Drill Bit Size (Decimal Inch) | 0.3346 |
| Drill Bit Size (mm) | 8.50 |
| Drill Point Angle | 130 |
| Drill Bit Material | High Speed Steel |
| Drill Bit Finish/Coating | Bright |
| Flute Type | Parabolic |
| Cutting Direction | Left Hand |
| Shank Type | Straight |
| Flute Length (mm) | 37.00 |
| Overall Length (mm) | 79.00 |
| Flute Length x Diameter Ratio | 3xD |
| Point Type | Cone Relief |
| Shank Diameter (mm) | 8.50 |
| Shank Diameter (Decimal Inch) | 0.3346 |
| Specification Designation | DIN |
| Spiral Type | Regular Spiral |
| Threaded Shank | No |
| Number of Flutes | 2 |
| Drill Bit Diameter Tolerance (mm) | h8 |
| Web Thinning | Web-Thinning |
| Drill Bit Grade | Heavy Duty |
| Material Grade | M2 |
| Series/List | 553 |
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