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Guhring - 31/64" 118° Spiral Flute Cobalt Screw Machine Drill Bit - Makers Industrial Supply

Guhring - 31/64" 118° Spiral Flute Cobalt Screw Machine Drill Bit


Item #: 55074058
Brand: Guhring
Model #: 9055240123000

Features and Benefits

Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Spiral flutes are constructed of a higher flute angle to remove chips easier.
Product Specifications
Drill Bit Size (Decimal Inch) 0.4844
Drill Bit Size (Inch) 31/64
Drill Point Angle 118
Drill Bit Material Cobalt
Drill Bit Finish/Coating Bright
Flute Type Spiral
Cutting Direction Right Hand
Shank Type Straight
Coolant Through No
Flute Length (mm) 51.00
Overall Length (mm) 102.00
Flute Length x Diameter Ratio 3xD
Point Type Four Facet, Split Point
Shank Diameter (mm) 12.30
Shank Diameter (Decimal Inch) 0.4844
Shank Diameter (Inch) 31/64
Specification Designation DIN
Spiral Type Regular Spiral
Threaded Shank No
Web Configuration Tapered
Drill Bit Diameter Tolerance (mm) +0.000 to -0.027
Drill Tip Finish/Coating None
Specification Number DIN 1897
Material Grade M35
Series/List 5524
Length Type Stub
$21.94

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