Screw Machine Length Drill Bit: 0.397″ Dia, 135 °, High Speed Steel Coated, Right Hand Cut, Spiral Flute, Straight-Cylindrical Shank, Series 2159
Item #: 06131817
Brand: Chicago-Latrobe
Model #: 48255
Product Specifications
| Drill Bit Size (Letter) | X |
| Tool Material | High Speed Steel |
| Cutting Direction | Right Hand |
| Coating/Finish | Coated |
| Drill Point Angle | 135 |
| Spiral Type | Regular |
| Flute Type | Spiral |
| Point Type | Split |
| Coolant Through | No |
| Shank Type | Straight-Cylindrical |
| Number Of Flutes | 2 |
| Shank Diameter (Decimal Inch) | 0.3970 |
| Drill Bit Size (Decimal Inch) | 0.3970 |
| Overall Length (Inch) | 3-5/16 |
| Series | 2159 |
| Web Thinning | Web-Thinned |
| Web Configuration | Parallel |
| Drill Length Type | Screw Machine |
| Shank Length (Inch) | 1-3/8 |
| Shank Length (Decimal Inch) | 1.3750 |
| Shank Length (mm) | 34.92 |
| Tool Performance | Heavy-Duty |
| Drill Bit Diameter Tolerance | +0.0000 to -0.0010 in |
| Standards | ISO |
| Flute Length (Inch) | 1-15/16 |
| Drill Bit Size Range (Decimal Inch) | 0.3500 to 0.4000 |
| Specification Number | NAS 907 |
| Specification Designation | NAS |
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