Extra Length Drill Bit: 0.25″ Dia, 140 °, Solid Carbide TiSiAlCrN Finish, 6.378″ Flute Length, 7.874″ OAL, Straight-Cylindrical Shank, Series DC160-20-A1
Item #: 18764282
Brand: Walter-Titex
Model #: 7684304
Product Specifications
| Drill Bit Size (Inch) | 1/4 |
| Drill Bit Size (mm) | 6.35 |
| Overall Length (mm) | 200.00 |
| Flute Length (mm) | 162.00 |
| Tool Material | Solid Carbide |
| Coating/Finish | TiSiAlCrN |
| Drill Point Angle | 140 |
| Shank Type | Straight-Cylindrical |
| Coolant Through | Yes |
| Series | DC160-20-A1 |
| Cutting Direction | Right Hand |
| Tool Application | Cross Hole; Blind Hole; Inclined Hole Exit; Stack Drilling |
| Drill Bit Diameter Tolerance | h7 |
| Number Of Flutes | 2 |
| Primary Workpiece Material | Alloy; Titanium Alloy |
| Primary Workpiece Material Code | P; S; K; N |
| Secondary Workpiece Material | Glass; Graphite |
| Secondary Workpiece Material Code | H; M; O |
| Standards | ISO; ANSI |
| Drill Bit Size (Decimal Inch) | 0.2500 |
| Drill Point Length (mm) | 1.16 |
| Drill Point Length (Decimal Inch) | 0.0450 |
| Overall Length (Decimal Inch) | 7.8740 |
| Shank Diameter (Decimal Inch) | 0.3150 |
| Shank Diameter (mm) | 8.00 |
| Shank Length (Decimal Inch) | 1.4170 |
| Shank Length (mm) | 36.00 |
| Flute Length (Decimal Inch) | 6.3780 |
| Flute By Diameter Ratio | 20xD |
| Maximum Drilling Depth (Decimal Inch) | 5.9450 |
| Maximum Drilling Depth (mm) | 151.00 |
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