Cleveland - #57 135° Cobalt Jobber Drill
Item #: 74331554
Brand: Cleveland
Model #: C70190
Features and Benefits
Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Oxide/gold finish provides a polished finish and prevents chip building, galling and welding on a workpiece. It is commonly used on low carbon, stainless steel and ferrous metals.
Spiral flutes are constructed with a higher flute angle to remove chips more easily.
| Product Specifications | |
|---|---|
| Drill Bit Size (Wire) | #57 |
| Drill Bit Size (Decimal Inch) | 0.0430 |
| Drill Point Angle | 135 |
| Drill Bit Material | Cobalt |
| Drill Bit Finish/Coating | Oxide/Gold |
| Flute Type | Spiral |
| Cutting Direction | Right Hand |
| Shank Type | Straight |
| Coolant Through | No |
| Flute Length (Inch) | 3/4 |
| Flute Length (mm) | 19.05 |
| Flute Length (Decimal Inch) | 0.7500 |
| Overall Length (mm) | 44.45 |
| Overall Length (Decimal Inch) | 1.7500 |
| Overall Length (Inch) | 1-3/4 |
| Point Type | Standard |
| Shank Diameter (Decimal Inch) | 0.0430 |
| Spiral Type | Regular Spiral |
| Specification Designation | NAS |
| Web Configuration | Tapered |
| Drill Bit Diameter Tolerance (Decimal Inch) | -0.0005 to 0.0000 |
| Web Thinning | Web-Thinned |
| Specification Number | NAS 907 |
| Drill Bit Grade | Heavy-Duty |
| Material Grade | M42 |
| Series/List | 2213 |
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