TMDR60 HSS Spiral Flute Step Drills

 TMDR60 HSS Spiral Flute Step Drills

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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