Roll Forged & Polished DIN338 HSS Twist Drill Bit
1. In all rotary and percussion drilling machines;
2. In machines for mechanical processing;
3. Only for rotary use.
Size：
|
Diameter (mm) |
Flute Length (mm) |
Overall Lenghth (mm) |
|
Diameter (mm) |
Flute Length (mm) |
Overall Lenghth (mm) |
|
|
1 |
12 |
34 |
11 |
94 |
142 |
||
|
1.5 |
18 |
40 |
11.5 |
94 |
142 |
||
|
2 |
24 |
49 |
12 |
101 |
151 |
||
|
2.5 |
30 |
57 |
12.5 |
101 |
151 |
||
|
3 |
33 |
61 |
13 |
101 |
151 |
||
|
3.5 |
39 |
70 |
13.5 |
108 |
160 |
||
|
4 |
43 |
75 |
14 |
108 |
160 |
||
|
4.5 |
47 |
80 |
14.5 |
114 |
169 |
||
|
5 |
52 |
86 |
15 |
114 |
169 |
||
|
5.5 |
57 |
93 |
15.5 |
120 |
178 |
||
|
6 |
57 |
93 |
16 |
120 |
178 |
||
|
6.5 |
63 |
101 |
16.5 |
125 |
184 |
||
|
7 |
69 |
109 |
17 |
125 |
184 |
||
|
7.5 |
69 |
109 |
17.5 |
130 |
191 |
||
|
8 |
75 |
117 |
18 |
130 |
191 |
||
|
8.5 |
75 |
117 |
18.5 |
135 |
198 |
||
|
9 |
81 |
125 |
19 |
135 |
198 |
||
|
9.5 |
81 |
125 |
19.5 |
140 |
205 |
||
|
10 |
87 |
133 |
20 |
140 |
205 |
||
|
10.5 |
87 |
133 |
|
|
|
Pictures:
