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Chicago-Latrobe - 6.3mm 135° Cobalt Jobber Drill - Exact Tooling

Chicago-Latrobe - 6.3mm 135° Cobalt Jobber Drill


Item #: 57622953
Brand: Chicago-Latrobe
Model #: 47873

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 (mm) 6.30
Drill Bit Size (Decimal Inch) 0.2480
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) 63.00
Flute Length (Decimal Inch) 2.4803
Overall Length (mm) 101.00
Overall Length (Decimal Inch) 3.9764
Point Type Split Point
Shank Diameter (mm) 6.30
Shank Diameter (Decimal Inch) 0.2480
Spiral Type Regular Spiral
Shank Length (mm) 38.00
Shank Length (Decimal Inch) 1.4961
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
$ 7.05

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