Screw Machine Length Drill Bit: 0.25″ Dia, 130 °, Cobalt;Vanadium High Speed Steel - Bright/Uncoated, Right Hand Cut, Parabolic Flute, Straight-Cylindrical Shank, Series A1148
Item #: 01420165
Brand: Walter-Titex
Model #: 5057122
Product Specifications
| Drill Bit Size (Inch) | 1/4 |
| Drill Bit Size (Letter) | E |
| Tool Material | Vanadium High Speed Steel; Cobalt |
| Cutting Direction | Right Hand |
| Coating/Finish | Bright/Uncoated |
| Drill Point Angle | 130 |
| Flute Type | Parabolic |
| Point Type | Split |
| Coolant Through | No |
| Shank Type | Straight-Cylindrical |
| Number Of Flutes | 2 |
| Shank Diameter (Decimal Inch) | 0.2500 |
| Drill Bit Size (Decimal Inch) | 0.2500 |
| Overall Length (Inch) | 2-3/4 |
| Shank Diameter (mm) | 6.35 |
| Series | A1148 |
| Web Thinning | Web-Thinned |
| Web Configuration | Tapered |
| Drill Length Type | Screw Machine |
| Maximum Drilling Depth (Decimal Inch) | 0.8000 |
| Maximum Drilling Depth (mm) | 20.00 |
| Shank Length (Decimal Inch) | 1.5600 |
| Shank Length (mm) | 39.00 |
| Drill Point Length (mm) | 1.48 |
| Drill Point Length (Decimal Inch) | 0.0583 |
| Flute By Diameter Ratio | 3xD |
| Tool Performance | Universal |
| Drill Bit Diameter Tolerance | -0.00087 to 0.00000 in; -0.022 to 0.000 mm |
| Standards | ISO; DIN |
| Flute Length (Inch) | 1-7/32 |
| Drill Bit Grade | High Performance |
| Drill Bit Size Range (Decimal Inch) | 0.2500 to 0.3000 |
| Specification Designation | BS; DIN |
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