our twist drill bits are made from high speed steel M2.
straigh shank size range from 0.3m to 28mm.
fully ground technology guaratee precision of drill bits.
Kinds of coating available on request.
Size |
Flute Length |
Overall Length |
|
Size |
Flute Length |
Overall Length |
|
Size |
Flute Length |
Overall Length |
|
Size |
Flute Length |
Overall Length |
|
Size |
Flute Length |
Overall Length |
0.25 |
3 |
19 |
|
2.15 |
27 |
53 |
|
5.10 |
52 |
86 |
|
8.90 |
81 |
125 |
|
12.70 |
101 |
151 |
0.30 |
|
2.20 |
|
5.20 |
|
9.00 |
|
12.80 |
0.35 |
4 |
19 |
|
2.25 |
|
5.30 |
|
9.10 |
|
12.90 |
0.40 |
5 |
20 |
|
2.30 |
|
5.40 |
57 |
93 |
|
9.20 |
|
13.00 |
0.45 |
|
2.35 |
|
5.50 |
|
9.30 |
|
13.10 |
0.50 |
6 |
22 |
|
2.40 |
30 |
57 |
|
5.60 |
|
9.40 |
|
13.20 |
0.55 |
7 |
24 |
|
2.45 |
|
5.70 |
|
9.50 |
|
13.30 |
108 |
160 |
0.60 |
|
2.50 |
|
5.80 |
|
9.60 |
87 |
133 |
|
13.40 |
0.65 |
8 |
26 |
|
2.55 |
|
5.90 |
|
9.70 |
|
13.50 |
0.70 |
9 |
28 |
|
2.60 |
|
6.00 |
|
9.80 |
|
13.60 |
0.75 |
|
2.65 |
|
6.10 |
63 |
101 |
|
9.90 |
|
13.70 |
0.80 |
10 |
30 |
|
2.70 |
33 |
61 |
|
6.20 |
|
10.00 |
|
13.80 |
0.85 |
|
2.75 |
|
6.30 |
|
10.10 |
|
13.90 |
0.90 |
11 |
32 |
|
2.80 |
|
6.40 |
|
10.20 |
|
14.00 |
0.95 |
|
2.85 |
|
6.50 |
|
10.30 |
|
14.25 |
114 |
169 |
1.00 |
12 |
34 |
|
2.90 |
|
6.60 |
|
10.40 |
|
14.50 |
1.05 |
|
2.95 |
|
6.70 |
|
10.50 |
|
14.75 |
1.10 |
14 |
36 |
|
3.00 |
|
6.80 |
69 |
109 |
|
10.60 |
|
15.00 |
1.15 |
|
3.10 |
36 |
65 |
|
6.90 |
|
10.70 |
94 |
142 |
|
15.25 |
120 |
178 |
1.20 |
16 |
38 |
|
3.20 |
|
7.00 |
|
10.80 |
|
15.50 |
1.25 |
|
3.30 |
|
7.10 |
|
10.90 |
|
15.75 |
1.30 |
|
3.40 |
39 |
70 |
|
7.20 |
|
11.00 |
|
16.00 |
1.35 |
18 |
40 |
|
3.50 |
|
7.30 |
|
11.10 |
|
16.25 |
125 |
184 |
1.40 |
|
3.60 |
|
7.40 |
|
11.20 |
|
16.50 |
1.45 |
|
3.70 |
|
7.50 |
|
11.30 |
|
16.75 |
1.50 |
|
3.80 |
43 |
75 |
|
7.60 |
75 |
117 |
|
11.40 |
|
17.00 |
1.55 |
20 |
43 |
|
3.90 |
|
7.70 |
|
11.50 |
|
17.25 |
130 |
191 |
1.60 |
|
4.00 |
|
7.80 |
|
11.60 |
|
17.50 |
1.65 |
|
4.10 |
|
7.90 |
|
11.70 |
|
17.75 |
1.70 |
|
4.20 |
|
8.00 |
|
11.80 |
|
18.00 |
1.75 |
22 |
46 |
|
4.30 |
47 |
80 |
|
8.10 |
|
11.90 |
101 |
151 |
|
18.25 |
135 |
198 |
1.80 |
|
4.40 |
|
8.20 |
|
12.00 |
|
18.50 |
1.85 |
|
4.50 |
|
8.30 |
|
12.10 |
|
18.75 |
1.90 |
|
4.60 |
|
8.40 |
|
12.20 |
|
19.00 |
1.95 |
24 |
49 |
|
4.70 |
|
8.50 |
|
12.30 |
|
19.25 |
140 |
205 |
2.00 |
|
4.80 |
52 |
86 |
|
8.60 |
81 |
125 |
|
12.40 |
|
19.50 |
2.05 |
|
4.90 |
|
8.70 |
|
12.50 |
|
19.75 |
2.10 |
|
5.00 |
|
8.80 |
|
12.60 |
|
20.00 |