Guhring - Letter E (1/4) 135° Cobalt Jobber Drill - Bronze Oxide Finish, Right Hand Cut, Parabolic Flute, Straight Shank, 101mm OAL, Split Point
Item #: 98697154
Brand: Guhring
Model #: 9010180063500
Exact Tooling IR#: 04
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) | 6.35 |
| Drill Bit Size (Letter) | E |
| Drill Bit Size (Inch) | 1/4 |
| Drill Bit Size (Decimal Inch) | 0.2500 |
| 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) | 63.00 |
| Overall Length (mm) | 101.00 |
| Flute Length x Diameter Ratio | 5xD |
| Point Type | Split Point |
| Shank Diameter (mm) | 6.35 |
| Shank Length (mm) | 38.00 |
| Specification Designation | DIN; NAS |
| Drill Point Length (mm) | 63.00 |
| 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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