TMDR60 HSS Spiral Flute Step Drills
Specifications
SKU: TMDR60 HSS Spiral Flute Step Drills
HSS Spiral Flute Step Drills
- High-quality HSS-M2.
- Drill tip comply with DIN1412C standards, has a good self-centering ability, cutting light.
- Fully grinded by CBN grinding wheel to ensure a better cutting edge angle, sharp cutting Large chip space to allow chip flow.
- Each step and cone have a continuous radial clearance and axial relief, easy to regrind.
- Self-centering drilling & reaming completed at once.
- Especially suitable for metal, plastic, wood and other materials of pipe, sheet drilling and reaming.
- 9 steps: 4 - 12 (4, 5, 6, 7, 8, 9, 10, 11, 12) mm.
- 9 steps: 4 - 20 (4, 6, 8, 10, 12, 14, 16, 18, 20) mm.
- 14 steps: 4 - 30 (4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30) mm.
Range (mm) |
Number of Steps |
Shank Dia.(d) (mm) |
Overall L.(L) (mm) |
No Coating Order Code TMDR60 |
4 -12 | 9 | 6 | 65 | -10412A |
4 -20 | 9 | 8 | 75 | -10420A |
4 - 30 | 14 | 10 | 100 | -10430A |
6 - 40.5 | 11 | 10 | 96 | -10440A |
TMDR60 HSS Spiral Flute Step Drills