Hertel - 5/16" 135° Cobalt Jobber Drill - Bright Finish, Spiral Flute, 4-1/2" OAL, Split Point
Item #: 43482710
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.
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 with a higher flute angle to remove chips more easily.
| Product Specifications | |
|---|---|
| Drill Bit Size (Inch) | 5/16 |
| Drill Bit Size (Decimal Inch) | 0.3125 |
| Drill Point Angle | 135 |
| Drill Bit Material | Cobalt |
| Drill Bit Finish/Coating | Bright |
| Flute Type | Spiral |
| Coolant Through | No |
| Flute Length (Inch) | 3-3/16 |
| Flute Length (mm) | 80.96 |
| Flute Length (Decimal Inch) | 3.1880 |
| Overall Length (mm) | 114.30 |
| Overall Length (Decimal Inch) | 4.5000 |
| Overall Length (Inch) | 4-1/2 |
| Flute Length x Diameter Ratio | 5xD |
| Point Type | Split Point |
| Spiral Type | Regular Spiral |
| Number of Flutes | 2 |
| Material Grade | M35 |
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