National Twist Drill - #9 135° Spiral Flute High Speed Steel Screw Machine Drill Bit
Item #: 58857822
Brand: National Twist Drill
Model #: 018509AW
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) | 0.1960 |
| Drill Bit Size (Wire) | #9 |
| 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 |
| Flute Length (Inch) | 1-3/16 |
| Flute Length (Decimal Inch) | 1.1875 |
| Overall Length (Inch) | 2-1/4 |
| Overall Length (Decimal Inch) | 2.2500 |
| Point Type | Split Point |
| Specification Designation | NAS |
| Spiral Type | Regular Spiral |
| Threaded Shank | No |
| Web Configuration | Tapered |
| Drill Bit Diameter Tolerance (Decimal Inch) | +0.0000 to -0.0007 |
| Specification Number | NAS 907 |
| Web Thinning | Web-Thinned |
| Series/List | 342 |
| Length Type | Regular |
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