Sandvik Coromant 5748448 CoroDrill® Delta-C R840 High Performance Jobber Drill, 0.4527 in Dia x 4.6456 in L, Carbide
Jobber Length Drill Bits
704710
MFG #: 5748448
Sandvik Coromant
354.32000
/ ea
CoroDrill® R840 is a solid carbide drill for productive hole making in various applications. designed for superior drilling in all materials, including hard steels up to 60 HRC. Available in a variety of diameters for general and small part machining.
- Features
| 0 deg body half taper |
| Axial concentric coolant entry on circle |
| Axial concentric coolant exit on circle |
| 20 bar coolant |
| EFW cutting feed |
| 31 deg helix flute |
| 21.162 deg orthogonal rake |
| 1220 manufacturer grade |
| 116 mm L functional |
| 45 mm L clamping |
| 3 regrinds |
| 2.0 mm L point |
| 3 mm L regrind |
| 6366 r/min |
| H6 connection diameter tolerance |
| H9 achievable hole tolerance |
| R840..50-A1A tool style |
| 4.97391 usable length diameter ratio |
| H, K, M, N, P, S material grade |
| 20 life cycle state |