National Twist Drill - #54 135° Cobalt Jobber Drill - Gold Finish Finish, Right Hand Cut, Spiral Flute, Straight Shank, 1-7/8" OAL
Item #: 58832866
Brand: National Twist Drill
Model #: 020854AW
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.
Gold provides a polished finish on a cobalt or high speed steel tool. It is commonly used on aluminum alloy, titanium and plastic.
Spiral flutes are constructed with a higher flute angle to remove chips more easily.
| Product Specifications | |
|---|---|
| Drill Bit Size (Wire) | #54 |
| Drill Bit Size (Decimal Inch) | 0.0550 |
| Drill Point Angle | 135 |
| Drill Bit Material | Cobalt |
| Drill Bit Finish/Coating | Gold Finish |
| Flute Type | Spiral |
| Cutting Direction | Right Hand |
| Shank Type | Straight |
| Coolant Through | No |
| Flute Length (Inch) | 7/8 |
| Flute Length (Decimal Inch) | 0.8750 |
| Overall Length (Decimal Inch) | 1.8750 |
| Overall Length (Inch) | 1-7/8 |
| Web Configuration | Tapered |
| Drill Bit Diameter Tolerance (Decimal Inch) | -0.0005 to 0.0000 |
| Series/List | 208C |
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