Our solid carbide twist drill bits are made from super carbide materia.
hardness up to 91 HRA
speical size ,helix angle design available.
Tialn coating available.
STC025-2, SOLID CARBIDE DRILL, Metric |
METRIC SIZES, GOST 17275, MIDDLE SERIES |
Size |
Flute Length |
Overall Length |
|
Size |
Flute Length |
Overall Length |
|
3 |
24 |
55 |
|
7.8 |
52 |
95 |
3.2 |
24 |
55 |
|
8 |
52 |
95 |
3.5 |
28 |
60 |
|
8.2 |
52 |
95 |
3.8 |
30 |
63 |
|
8.5 |
52 |
95 |
4 |
30 |
63 |
|
8.8 |
55 |
100 |
4.2 |
30 |
63 |
|
9 |
55 |
100 |
4.5 |
32 |
65 |
|
9.2 |
55 |
100 |
4.8 |
36 |
70 |
|
9.5 |
60 |
105 |
5 |
36 |
70 |
|
9.8 |
60 |
105 |
5.2 |
36 |
70 |
|
10 |
60 |
105 |
5.5 |
40 |
75 |
|
10.2 |
60 |
105 |
5.8 |
40 |
75 |
|
10.5 |
60 |
105 |
6 |
40 |
75 |
|
10.8 |
65 |
110 |
6.2 |
42 |
80 |
|
11 |
65 |
110 |
6.5 |
42 |
80 |
|
11.2 |
65 |
110 |
6.8 |
45 |
85 |
|
11.5 |
65 |
110 |
7 |
45 |
85 |
|
11.8 |
65 |
110 |
7.2 |
45 |
85 |
|
12 |
70 |
120 |
7.5 |
45 |
85 |
|
|
|
|