• NC Spot Drills
  • NC Spot Drills
D923X 7 Leaders

NC Spot Drills

NC Spot Drills 120°
  • Design with double drill tip angle to enhance the strength of drill tip.
  • Apply with AlTiN coating to increase wear resistance and tool life improved.
  • Application for spot drilling in different steels.
Steel < 48HRC
P H M K N S
MG
AlTiN/ X-NaNo
Drill Helix_
Flute_drill-2Z
Work Material
P H M K N S
GR1 GR2 GR3 GR4 GR5 GR6 GR7 GR8 GR9 GR10 GR11 GR12 GR13 GR14 GR15 GR16 GR17
Carbon Steel <24HRC
Low-alloyed Steel
<30HRC
Hi-Alloyed Steel
30~38HRC
Hardened Steel
38~48HRC
Hardened Steel
48~56HRC
Hardened Steel
56~68HRC
Hardened Steel
Stainless Steel Cast Iron Aluminium Copper Plastics FRP CFRP Composite Material Graphite Titanium Nickel High Temp Alloys
Product Specification
  • 0.5mm~20mm
DC Lc L d
h6 mm mm h6
0.5 1 38 3
1 2 38 3
2 4 38 3
3 6 50 3
4 8 50 4
6 12 70 6
8 16 80 8
10 20 90 10
12 24 110 12
16 32 120 16
20 40 130 20