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Hertel - 1/2" 135° Cobalt Jobber Drill - Oxide/Gold Finish, Spiral Flute, 6" OAL

Hertel - 1/2" 135° Cobalt Jobber Drill - Oxide/Gold Finish, Spiral Flute, 6" OAL


Item #: 43481431
Brand: Hertel

Features and Benefits

Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Oxide/gold finish provides a polished finish and prevents chip building, galling and welding on a workpiece. It is commonly used on low carbon, stainless steel and ferrous metals.
Spiral flutes are constructed with a higher flute angle to remove chips more easily.
Product Specifications
Drill Bit Size (Inch) 1/2
Drill Bit Size (Decimal Inch) 0.5000
Drill Point Angle 135
Drill Bit Material Cobalt
Drill Bit Finish/Coating Oxide/Gold
Flute Type Spiral
Coolant Through No
Flute Length (Inch) 4-1/2
Flute Length (mm) 114.30
Flute Length (Decimal Inch) 4.5000
Overall Length (mm) 152.40
Overall Length (Decimal Inch) 6.0000
Overall Length (Inch) 6
Flute Length x Diameter Ratio 5xD
Spiral Type Regular Spiral
Number of Flutes 2
$ 15.41

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