Guhring - 0.55mm 130° Spiral Flute Cobalt Screw Machine Drill Bit - Bright Finish, Right Hand Cut, 3.5mm Flute Length, 21mm OAL, Standard Point, Straight Shank
Item #: 54966544
Brand: Guhring
Model #: 9003290005500
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.
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) | 0.0217 |
| Drill Bit Size (mm) | 0.55 |
| Drill Point Angle | 130 |
| Drill Bit Material | Cobalt |
| Drill Bit Finish/Coating | Bright |
| Flute Type | Spiral |
| Cutting Direction | Right Hand |
| Shank Type | Straight |
| Flute Length (mm) | 3.50 |
| Flute Length (Decimal Inch) | 0.1378 |
| Overall Length (mm) | 21.00 |
| Overall Length (Decimal Inch) | 0.8268 |
| Flute Length x Diameter Ratio | 3xD |
| Point Type | Standard |
| Shank Diameter (mm) | 0.55 |
| Shank Diameter (Decimal Inch) | 0.0217 |
| Specification Designation | DIN |
| Maximum Drilling Depth (mm) | 3.50 |
| Maximum Drilling Depth (Decimal Inch) | 0.1378 |
| Spiral Type | Regular Spiral |
| Shank Length (mm) | 17.50 |
| Shank Length (Decimal Inch) | 0.6890 |
| Threaded Shank | No |
| Number of Flutes | 2 |
| Web Configuration | Tapered |
| Drill Bit Diameter Tolerance (mm) | +0.000 to -0.010 |
| Specification Number | DIN 1897 |
| Material Grade | M35 |
| Series/List | 329 |
| Length Type | Stub |
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