Hertel - 1/2" 135° Cobalt Jobber Drill - Oxide/Gold Finish, Spiral Flute, 6" OAL
Item #: 43481431
Brand: Hertel
Exact Tooling IR#: 04
Features and Benefits
Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Oxide/gold finish provides a polished finish and prevents chip building, galling and welding on a workpiece. It is commonly used on low carbon, stainless steel and ferrous metals.
Spiral flutes are constructed with a higher flute angle to remove chips more easily.
| Product Specifications | |
|---|---|
| Drill Bit Size (Inch) | 1/2 |
| Drill Bit Size (Decimal Inch) | 0.5000 |
| Drill Point Angle | 135 |
| Drill Bit Material | Cobalt |
| Drill Bit Finish/Coating | Oxide/Gold |
| Flute Type | Spiral |
| Coolant Through | No |
| Flute Length (Inch) | 4-1/2 |
| Flute Length (mm) | 114.30 |
| Flute Length (Decimal Inch) | 4.5000 |
| Overall Length (mm) | 152.40 |
| Overall Length (Decimal Inch) | 6.0000 |
| Overall Length (Inch) | 6 |
| Flute Length x Diameter Ratio | 5xD |
| Spiral Type | Regular Spiral |
| Number of Flutes | 2 |
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