DORMER - 3.9mm 130° 2-Flute Cobalt Extra Length Drill Bit
Item #: 80989361
Brand: DORMER
Model #: 0279830
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.
| Product Specifications | |
|---|---|
| Drill Bit Size (mm) | 3.90 |
| Drill Bit Size (Decimal Inch) | 0.1535 |
| Drill Point Angle | 130 |
| Drill Bit Material | Cobalt |
| Drill Bit Finish/Coating | Bright |
| Overall Length (mm) | 175.00 |
| Through Coolant | NonCoolant Through |
| Shank Diameter (Decimal Inch) | 0.1535 |
| Shank Diameter (mm) | 3.90 |
| Flute Length (mm) | 120.00 |
| Flute Length (Decimal Inch) | 4.7280 |
| Cutting Direction | Right Hand |
| Flute Length x Diameter Ratio | 15xD |
| Flute Type | Parabolic |
| Number of Flutes | 2 |
| Point Type | PFX |
| Shank Type | Straight |
| Specification Designation | DIN |
| Threaded Shank | No |
| Web Configuration | Tapered |
| Drill Bit Diameter Tolerance (mm) | 0.000 to -0.018 |
| Web Thinning | Web-Thinned |
| Series/List | A976 |
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