Irwin - 21/64" 135° Cobalt Jobber Drill
Item #: 57826398
Brand: Irwin
Model #: 63121
Features and Benefits
Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
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 | 135 |
| Drill Bit Material | Cobalt |
| 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 |
| Point Type | Split Point |
| Spiral Type | Regular Spiral |
| Web Configuration | Tapered |
| Web Thinning | Web-Thinned |
| Material Grade | M35 |
| Series/List | 631 |
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