Guhring - 8.8mm 130° Cobalt Jobber Drill
Item #: 69278703
Brand: Guhring
Model #: 9006570088000
Features and Benefits
Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Titanium Nitride (TiN) is a multi-purpose coating which increases chip flow in softer materials. The heat and hardness resistance allows the tool to run at higher speeds than uncoated tools.
Spiral flutes are constructed with a higher flute angle to remove chips more easily.
| Product Specifications | |
|---|---|
| Drill Bit Size (mm) | 8.80 |
| Drill Bit Size (Decimal Inch) | 0.3465 |
| Drill Point Angle | 130 |
| Drill Bit Material | Cobalt |
| Drill Bit Finish/Coating | TiN |
| Flute Type | Spiral |
| Cutting Direction | Right Hand |
| Shank Type | Straight |
| Coolant Through | No |
| Flute Length (mm) | 81.00 |
| Flute Length (Decimal Inch) | 3.1890 |
| Overall Length (mm) | 125.00 |
| Overall Length (Decimal Inch) | 4.9213 |
| Flute Length x Diameter Ratio | 5xD |
| Point Type | Split Point |
| Shank Diameter (mm) | 8.80 |
| Shank Diameter (Decimal Inch) | 0.3465 |
| Maximum Drilling Depth (Decimal Inch) | 3.1890 |
| Maximum Drilling Depth (mm) | 81.00 |
| Spiral Type | Regular Spiral |
| Shank Length (mm) | 44.00 |
| Shank Length (Decimal Inch) | 1.7323 |
| Specification Designation | DIN |
| Web Configuration | Tapered |
| Drill Bit Diameter Tolerance (mm) | +0.000 to -0.022 |
| Number of Flutes | 2 |
| Web Thinning | Web-Thinned |
| Specification Number | DIN 338 |
| Material Grade | M35 |
| Series/List | 657 |
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