Guhring - 8.5mm 118° Spiral Flute High Speed Steel Taper Length Drill Bit
Item #: 55070544
Brand: Guhring
Model #: 9002170085000
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.
Oxide prevents chip building, galling and welding on the workpiece. It is commonly used on low carbons, stainless steel and ferrous metals.
Spiral flutes are constructed with a higher flute angle to remove chips more easily.
| Product Specifications | |
|---|---|
| Drill Bit Size (mm) | 8.50 |
| Drill Bit Size (Decimal Inch) | 0.3346 |
| Drill Point Angle | 118 |
| Drill Bit Material | High Speed Steel |
| Drill Bit Finish/Coating | Oxide |
| Flute Type | Spiral |
| Cutting Direction | Right Hand |
| Shank Type | Straight |
| Through Coolant | No |
| Point Type | Standard |
| Flute Length (mm) | 109.00 |
| Overall Length (mm) | 165.00 |
| Spiral Type | Regular Spiral |
| Shank Diameter (mm) | 8.50 |
| Shank Diameter (Decimal Inch) | 0.3346 |
| Flute Length x Diameter Ratio | 10xD |
| Web Configuration | Tapered |
| Drill Bit Diameter Tolerance (mm) | +0.000 to -0.022 |
| Specification Number | DIN 340 |
| Material Grade | M2 |
| Series/List | 217 |
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