Guhring - 9.9mm 135° Cobalt Jobber Drill
Item #: 98841489
Brand: Guhring
Model #: 9010180099000
Features and Benefits
Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Bronze oxide, is a surface treatment that prevents chip building, galling and welding on the workpiece. It is commonly used on low carbons, stainless steel and ferrous metals.Increases lubricity.
Parabolic flutes are constructed with a wider flute shape for increased chip flow.
Product Specifications | |
---|---|
Drill Bit Size (mm) | 9.90 |
Drill Bit Size (Decimal Inch) | 0.3898 |
Drill Point Angle | 135 |
Drill Bit Material | Cobalt |
Drill Bit Finish/Coating | Bronze Oxide |
Flute Type | Parabolic |
Cutting Direction | Right Hand |
Shank Type | Straight |
Coolant Through | No |
Flute Length (mm) | 87.00 |
Overall Length (mm) | 133.00 |
Flute Length x Diameter Ratio | 5xD |
Point Type | Split Point |
Shank Diameter (mm) | 9.90 |
Shank Length (mm) | 46.00 |
Specification Designation | DIN; NAS |
Drill Point Length (mm) | 87.00 |
Drill Bit Diameter Tolerance (mm) | h8 |
Number of Flutes | 2 |
Web Thinning | Web-Thinned |
Specification Number | DIN 338; NAS 907 P3 |
Drill Bit Grade | General Purpose |
Series/List | 1018 |
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