D908 Combined Drill and Countersink 60°

METRIC DIN
  • 60° Combined drill and countersink centre drill.
  • Improved strength design for cutting different steels below 48HRC, cast iron, aluminium and copper.
  • Application for centre hole preparations for lathe and Cylindrical grinding.
  • VHM-carbide
  • uncoated bright
  • 刀具刃數1-6
  • 60
  • 120
  • DIN333
  • steel-cast-iron-AL-copper

Steel < 48HRC

P H M K N S

Work Material

P H M K N
GR1 GR2 GR3 GR4 GR5 GR8 GR9 GR10 GR11
Carbon Steel <24HRC Low-alloyed Steel <30HRC Hi-alloyed Steel 30~38HRC Hardened Steel 38~48HRC Hardened Steel Stainless Steel Cast Iron Aluminium Copper

Product Specification

Product Filter
Dc
Lc
L
d
Dc Lc L d
h7 mm mm h5
0.5 0.8 38 3
0.8 1.1 38 3
1 1.3 38 3
1.25 1.6 38 3
1.6 2 38 4
2 2.5 50 5
2.5 3.1 50 6
3.15 3.9 63 8
4 5 66 10
5 6.3 73 12