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Chicago-Latrobe - 3.4mm 135° Cobalt Jobber Drill - Exact Tool & Supply

Chicago-Latrobe - 3.4mm 135° Cobalt Jobber Drill

Item #: 09961889
Brand: Chicago-Latrobe
Model #: 46461

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) 3.40
Drill Bit Size (Decimal Inch) 0.1339
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) 39.00
Flute Length (Decimal Inch) 1.5354
Overall Length (mm) 70.00
Overall Length (Decimal Inch) 2.7559
Point Type Split Point
Shank Diameter (mm) 3.40
Shank Diameter (Decimal Inch) 0.1339
Spiral Type Regular Spiral
Shank Length (mm) 31.00
Shank Length (Decimal Inch) 1.2205
Specification Designation DIN; NAS
Web Configuration Tapered
Drill Bit Diameter Tolerance (Decimal Inch) +0.0000 to -0.0007
Web Thinning Web-Thinned
Specification Number NAS 907-J
Drill Bit Grade Heavy Duty
Series/List 550

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