Chicago-Latrobe - 31/64" 135° Spiral Flute High Speed Steel Screw Machine Drill Bit
Item #: 81382319
Brand: Chicago-Latrobe
Model #: 49231
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.
Spiral flutes are constructed of a higher flute angle to remove chips easier.
| Product Specifications | |
|---|---|
| Drill Bit Size (Decimal Inch) | 0.4844 |
| Drill Bit Size (Inch) | 31/64 |
| Drill Point Angle | 135 |
| Drill Bit Material | High Speed Steel |
| Drill Bit Finish/Coating | Oxide |
| Flute Type | Spiral |
| Cutting Direction | Right Hand |
| Shank Type | Straight |
| Coolant Through | No |
| Flute Length (Inch) | 2-3/16 |
| Overall Length (Inch) | 3-11/16 |
| Point Type | Split Point |
| Specification Designation | NAS |
| Spiral Type | Regular Spiral |
| Threaded Shank | No |
| Web Configuration | Parallel |
| Drill Bit Diameter Tolerance (Decimal Inch) | +0.0000 to -0.0010 |
| Specification Number | NAS 907 |
| Web Thinning | Web-Thinned |
| Drill Bit Grade | Heavy Duty |
| Series/List | 159 |
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