Hertel - #55 135° Cobalt Jobber Drill - Oxide/Gold Finish, Right Hand Cut, Spiral Flute, Straight Shank, 1-7/8" OAL, Split Point
Item #: 04139028
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 (Wire) | #55 |
| Drill Bit Size (Decimal Inch) | 0.0520 |
| Drill Point Angle | 135 |
| Drill Bit Material | Cobalt |
| Drill Bit Finish/Coating | Oxide/Gold |
| Flute Type | Spiral |
| Cutting Direction | Right Hand |
| Shank Type | Straight |
| Coolant Through | No |
| Flute Length (Inch) | 7/8 |
| Overall Length (Inch) | 1-7/8 |
| Point Type | Split Point |
| Shank Diameter (Decimal Inch) | 0.0520 |
| Spiral Type | Regular Spiral |
| Web Configuration | Tapered |
| Web Thinning | Web-Thinned |
| Drill Bit Grade | Heavy-Duty |
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