D908
D908

D908 Combined Drill and Countersink

INCH 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.
  • MG carbide
  • uncoated bright
  • 刀具刃數1-6
  • 60
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Steel < 48HRC

P H M K N S

Work Material

P H M K N S
GR1 GR2 GR3 GR4 GR5 GR8 GR9 GR10 GR11 GR12 GR17
Carbon Steel <24HRC Low-alloyed Steel <30HRC Hi-alloyed Steel 30~38HRC Hardened Steel 38~48HRC Hardened Steel Stainless Steel Cast Iron Aluminium Copper Plastics High Temp Alloys

Product Specification

Product Filter
Dc
Lc
L
d
Code No. Dc Lc L d
Size h7 h7 Inch h6
#0 1/32 1/32 1-1/4 1/8
#1 3/64 3/64 1-1/4 1/8
#2 5/64 5/64 1-7/8 3/16
#3 7/64 7/64 2 1/4
#4 1/8 1/8 2-1/2 5/16
#5 3/16 3/16 3 7/16
#6 7/32 7/32 3 1/2
#7 1/4 1/4 3-1/4 5/8
#8 5/16 5/16 3-1/2 3/4