National Twist Drill - 21/64" 130° Cobalt Jobber Drill
Item #: 58833047
Brand: National Twist Drill
Model #: 027632AW
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 with a higher flute angle to remove chips more easily.
| Product Specifications | |
|---|---|
| Drill Bit Size (Inch) | 21/64 |
| Drill Bit Size (Decimal Inch) | 0.3281 |
| Drill Point Angle | 130 |
| Drill Bit Material | Cobalt |
| Drill Bit Finish/Coating | TiN |
| Flute Type | Spiral |
| Cutting Direction | Right Hand |
| Shank Type | Straight |
| Coolant Through | No |
| Flute Length (Inch) | 3-5/16 |
| Flute Length (Decimal Inch) | 3.3125 |
| Overall Length (Decimal Inch) | 4.6250 |
| Overall Length (Inch) | 4-5/8 |
| Web Configuration | Tapered |
| Drill Bit Diameter Tolerance (Decimal Inch) | +0.0000 to -0.0010 |
| Number of Flutes | 2 |
| Web Thinning | Web-Thinned |
2% Off All Online Orders
Use Code: 2%OFF
Best Price Guarantee - Email Us A Better Published Price and We'll Beat It