Chicago-Latrobe - #47 135° Cobalt Jobber Drill - Gold Finish Finish, Right Hand Cut, Spiral Flute, Straight Shank, 50.8mm OAL, Split Point
Item #: 57622615
Brand: Chicago-Latrobe
Model #: 47781
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.
Gold provides a polished finish on a cobalt or high speed steel tool. It is commonly used on aluminum alloy, titanium and plastic.
Spiral flutes are constructed with a higher flute angle to remove chips more easily.
| Product Specifications | |
|---|---|
| Drill Bit Size (Wire) | #47 |
| Drill Bit Size (Decimal Inch) | 0.0785 |
| Drill Point Angle | 135 |
| Drill Bit Material | Cobalt |
| Drill Bit Finish/Coating | Gold Finish |
| Flute Type | Spiral |
| Cutting Direction | Right Hand |
| Shank Type | Straight |
| Coolant Through | No |
| Flute Length (mm) | 25.40 |
| Flute Length (Decimal Inch) | 1.0000 |
| Overall Length (mm) | 50.80 |
| Overall Length (Decimal Inch) | 2.0000 |
| Point Type | Split Point |
| Shank Diameter (mm) | 1.99 |
| Shank Diameter (Decimal Inch) | 0.0785 |
| Spiral Type | Regular Spiral |
| Shank Length (mm) | 25.40 |
| Shank Length (Decimal Inch) | 1.0000 |
| Specification Designation | NAS |
| Web Configuration | Tapered |
| Drill Bit Diameter Tolerance (Decimal Inch) | +0.0000 to -0.0005 |
| Specification Number | NAS 907-B |
| Drill Bit Grade | Heavy Duty |
| Series/List | 550ASP |
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