Guhring - #61 130° Spiral Flute Cobalt Screw Machine Drill Bit
Item #: 69339034
Brand: Guhring
Model #: 9003290009900
Features and Benefits
Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Spiral flutes are constructed of a higher flute angle to remove chips easier.
| Product Specifications | |
|---|---|
| Drill Bit Size (Decimal Inch) | 0.0390 |
| Drill Bit Size (Wire) | #61 |
| Drill Point Angle | 130 |
| Drill Bit Material | Cobalt |
| Drill Bit Finish/Coating | Bright |
| Flute Type | Spiral |
| Cutting Direction | Right Hand |
| Shank Type | Straight |
| Flute Length (mm) | 6.00 |
| Overall Length (mm) | 26.00 |
| Flute Length x Diameter Ratio | 3xD |
| Point Type | Cone Relief |
| Shank Diameter (mm) | 0.99 |
| Shank Diameter (Decimal Inch) | 0.0390 |
| 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 | 329 |
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