Precision Twist Drill - 31/64" Diam, 12" OAL Oxide High Speed Steel Aircraft Extension Drill Bit
Item #: 78570173
Brand: Precision Twist Drill
Model #: 059031
Features and Benefits
High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials.
Oxide prevents chip building, galling and welding on the workpiece. It is commonly used on low carbons, stainless steel and iron based ferrous metals.
| Product Specifications | |
|---|---|
| Drill Bit Size (Inch) | 31/64 |
| Drill Bit Size (Decimal) | 0.4844 |
| Drill Point Angle (Degrees) | 135 |
| Drill Bit Material | High Speed Steel |
| Drill Bit Finish/Coating | Oxide |
| Overall Length (Inch) | 12 |
| Flute Length (Inch) | 4-3/8 |
| Flute Length (mm) | 111.13 |
| Specification Designation | NAS |
| Spiral Type | Regular Spiral |
| Flute Type | Spiral |
| Number of Flutes | 2 |
| Cutting Direction | Right Hand |
| Point Type | Split Point |
| Shank Type | Straight |
| Web Configuration | Tapered |
| Web Thinning | Web-Thinned |
| Specification Number | NAS 907 |
| Drill Bit Grade | Heavy Duty |
| Series/List | 500-12 |
| Through Coolant | No |
2% Off All Online Orders
Use Code: 2%OFF
Best Price Guarantee - Email Us A Better Published Price and We'll Beat It