National Twist Drill - Letter C 130° Cobalt Jobber Drill - TiN Finish, Right Hand Cut, Spiral Flute, Straight Shank, 4" OAL
Item #: 58814187
Brand: National Twist Drill
Model #: 027646AW
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.
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 (Letter) | C |
| Drill Bit Size (Decimal Inch) | 0.2420 |
| 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) | 2-3/4 |
| Flute Length (Decimal Inch) | 2.7500 |
| Overall Length (Decimal Inch) | 4.0000 |
| Overall Length (Inch) | 4 |
| Web Configuration | Tapered |
| Drill Bit Diameter Tolerance (Decimal Inch) | +0.0000 to -0.0007 |
| Number of Flutes | 2 |
| Web Thinning | Web-Thinned |
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