• NC Spot Drills
  • NC Spot Drills
D922X 7 Leaders

NC Spot Drills

NC Spot Drills 90°
  • 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
Point Angle_NC Spot Drill
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
  • Dc. 0.5mm~20mm
DC Lc L d D1
h6 mm mm h6 mm
0.5 1 38 3 0.15
1 2 38 3 0.3
2 4 38 3 0.6
3 6 50 3 1
4 8 50 4 1.5
6 12 70 6 2
8 16 80 8 2.5
10 20 90 10 3
12 24 110 12 4
16 32 120 16 5
20 40 130 20 6