Guhring - 118° Spiral Flute Cobalt Screw Machine Drill Bit
Item #: 55084180
Brand: Guhring
Model #: 9055200076700
Features and Benefits
Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Titanium Nitride (TiN) is a multi-purpose coating which increases chip flow in softer materials. The heat and hardness resistance allows the tool to run at higher speeds than uncoated tools.
Spiral flutes are constructed of a higher flute angle to remove chips easier.
| Product Specifications | |
|---|---|
| Drill Bit Size (Letter) | N |
| Drill Point Angle | 118 |
| Drill Bit Material | Cobalt |
| Drill Bit Finish/Coating | TiN |
| Flute Type | Spiral |
| Cutting Direction | Right Hand |
| Shank Type | Straight |
| Flute Length (mm) | 37.00 |
| Overall Length (mm) | 79.00 |
| Flute Length x Diameter Ratio | 3xD |
| Point Type | Four Facet, Split Point |
| Shank Diameter (mm) | 7.67 |
| 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 |
| Series/List | 5520 |
| Length Type | Stub |
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