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Guhring - 7.1mm 118° Spiral Flute Cobalt Screw Machine Drill Bit - Exact Tooling

Guhring - 7.1mm 118° Spiral Flute Cobalt Screw Machine Drill Bit


Item #: 55074520
Brand: Guhring
Model #: 9055240071000

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) 0.2795
Drill Bit Size (mm) 7.10
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) 34.00
Overall Length (mm) 74.00
Flute Length x Diameter Ratio 3xD
Point Type Four Facet, Split Point
Shank Diameter (mm) 7.10
Shank Diameter (Decimal Inch) 0.2795
Specification Designation DIN
Spiral Type Regular Spiral
Threaded Shank No
Web Configuration Tapered
Drill Bit Diameter Tolerance (mm) +0.000 to -0.022
Drill Tip Finish/Coating None
Specification Number DIN 1897
Material Grade M35
Series/List 5524
Length Type Stub
$ 10.30

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