Chicago-Latrobe - #15 135° Cobalt Jobber Drill - Gold Finish Finish, Right Hand Cut, Spiral Flute, Straight Shank, 85.73mm OAL, Split Point
Item #: 57620056
Brand: Chicago-Latrobe
Model #: 47749
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) | #15 |
Drill Bit Size (Decimal Inch) | 0.1800 |
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) | 55.56 |
Flute Length (Decimal Inch) | 2.1875 |
Overall Length (mm) | 85.73 |
Overall Length (Decimal Inch) | 3.3750 |
Point Type | Split Point |
Shank Diameter (mm) | 4.57 |
Shank Diameter (Decimal Inch) | 0.1800 |
Spiral Type | Regular Spiral |
Shank Length (mm) | 30.17 |
Shank Length (Decimal Inch) | 1.1878 |
Specification Designation | NAS |
Web Configuration | Tapered |
Drill Bit Diameter Tolerance (Decimal Inch) | +0.0000 to -0.0007 |
Web Thinning | Web-Thinned |
Specification Number | NAS 907-B |
Drill Bit Grade | Heavy Duty |
Series/List | 550ASP |
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