Hertel - 0.277" 135° Spiral Flute Cobalt Screw Machine Drill Bit - TiAlN Finish, Right Hand Cut, 1-1/2" Flute Length, 2-11/16" OAL, Split Point, Straight Shank
Item #: 74131830
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.
Titanium Aluminum Nitride (TiAlN) has a higher hardness and oxidation temperature versus TiN and TiCN. As a result, it is particularly advantageous for higher speed operations in a variety of steel machining applications.
Spiral flutes are constructed of a higher flute angle to remove chips easier.
| Product Specifications | |
|---|---|
| Drill Bit Size (Decimal Inch) | 0.2770 |
| Drill Bit Size (Letter) | J |
| Drill Point Angle | 135 |
| Drill Bit Material | Cobalt |
| Drill Bit Finish/Coating | TiAlN |
| Flute Type | Spiral |
| Cutting Direction | Right Hand |
| Shank Type | Straight |
| Flute Length (Inch) | 1-1/2 |
| Overall Length (Inch) | 2-11/16 |
| Point Type | Split Point |
| Spiral Type | Regular Spiral |
| Threaded Shank | No |
| Web Configuration | Parallel |
| Web Thinning | Web-Thinned |
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