• Flat Bottom Drills
D425TX-2 7 Leaders

Flat Bottom Drills

  • With 0° point of drill tip, it can avoid shift or skewing during non-planar drilling such as countersinks, ramping, curved surface..etc.
  • With AlTiSiN coating type to have longer tool life and enhance cutting and using efficiency.
Steel < 48HRC
P H M K N S
MG
AlTiSiN/ TX
Drill Length_ 2XD
Flute_2Z-flat drill
Point Angle_flat drill-180˚
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. 1.0mm~3.9mm
  • Dc. 4.0mm~6.9mm
  • Dc. 7.0mm~9.9mm
  • Dc. 10mm~16mm
DC Lc L d
h7 mm mm h6
1 3 50 3
1.1 4 50 3
1.2 4 50 3
1.3 4 50 3
1.4 5 50 3
1.5 5 50 3
1.6 5 50 3
1.7 6 50 3
1.8 6 50 3
1.9 7 50 3
2 7 50 4
2.1 8 50 4
2.2 8 50 4
2.3 8 50 4
2.4 9 50 4
2.5 9 50 4
2.6 9 50 4
2.7 10 50 4
2.8 10 50 4
2.9 11 50 4
3 11 50 6
3.1 12 50 6
3.2 12 50 6
3.3 12 50 6
3.4 13 50 6
3.5 13 50 6
3.6 13 50 6
3.7 14 50 6
3.8 14 50 6
3.9 14 50 6
DC Lc L d
h7 mm mm h6
4 14 50 6
4.1 15 60 6
4.2 15 60 6
4.3 15 60 6
4.4 16 60 6
4.5 16 60 6
4.6 16 60 6
4.7 18 60 6
4.8 18 60 6
4.9 18 60 6
5 18 60 6
5.1 19 60 6
5.2 19 60 6
5.3 19 60 6
5.4 20 60 6
5.5 20 60 6
5.6 20 60 6
5.7 21 60 6
5.8 21 60 6
5.9 21 60 6
6 21 60 6
6.1 22 70 6
6.2 22 70 6
6.3 22 70 6
6.4 23 70 6
6.5 23 70 6
6.6 23 70 6
6.7 24 70 6
6.8 24 70 6
6.9 24 70 6
DC Lc L d
h7 mm mm h6
7 24 70 6
7.1 26 70 6
7.2 26 70 6
7.3 26 70 6
7.4 27 70 6
7.5 27 70 6
7.6 27 70 6
7.7 28 70 6
7.8 28 70 6
7.9 28 70 6
8 28 70 8
8.1 29 80 8
8.2 29 80 8
8.3 29 80 8
8.4 30 80 8
8.5 30 80 8
8.6 30 80 8
8.7 32 80 8
8.8 32 80 8
8.9 32 80 8
9 32 80 8
9.1 33 80 8
9.2 33 80 8
9.3 33 80 8
9.4 34 80 8
9.5 34 80 8
9.6 34 80 8
9.7 35 80 8
9.8 35 80 8
9.9 35 80 8
DC Lc L d
h7 mm mm h6
10 35 80 10
10.1 36 90 10
10.2 36 90 10
10.3 36 90 10
10.4 37 90 10
10.5 37 90 10
10.6 37 90 10
10.7 38 90 10
10.8 38 90 10
10.9 38 90 10
11 38 90 10
11.1 40 90 10
11.2 40 90 10
11.3 40 90 10
11.4 41 90 10
11.5 41 90 10
11.6 41 90 10
11.7 42 90 10
11.8 42 90 10
11.9 42 90 10
12 42 90 12
12.5 44 100 12
13 45 100 12
13.5 48 100 12
14 49 105 12
14.5 51 105 12
15 52 105 12
15.5 55 115 12
16 56 115 16