Guhring - 12.2mm 130° Spiral Flute Cobalt Screw Machine Drill Bit
Item #: 76947605
Brand: Guhring
Model #: 9006590122000
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 of a higher flute angle to remove chips easier.
| Product Specifications | |
|---|---|
| Drill Bit Size (Decimal Inch) | 0.4803 |
| Drill Bit Size (mm) | 12.20 |
| Drill Point Angle | 130 |
| Drill Bit Material | Cobalt |
| Drill Bit Finish/Coating | TiN |
| Flute Type | Spiral |
| Cutting Direction | Right Hand |
| Shank Type | Straight |
| Flute Length (mm) | 51.00 |
| Overall Length (mm) | 102.00 |
| Flute Length x Diameter Ratio | 3xD |
| Point Type | Cone Relief |
| Shank Diameter (mm) | 12.20 |
| Shank Diameter (Decimal Inch) | 0.4803 |
| 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 | M35 |
| Series/List | 659 |
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