Ordering Guide of GARANT Tap extension with quick-release chuck length 145mm-149mm 338460:
Type |
338460 |
for thread nominal ⌀ d1 DIN 371 |
for thread nominal ⌀ d1 DIN 374/376 |
for thread shank ⌀ d2
mm |
⌀ D3
mm |
⌀ D4
mm |
K2
mm |
L2
mm |
L3
mm |
Tap extension with quick-release chuck |
2 |
151.47 |
M 3 |
M 4.5 − M 5 |
3.5 |
12 |
12 |
9 |
45 |
145 |
3 |
151.47 |
M 4 |
M 6 |
4.5 |
12 |
12 |
9 |
45 |
145 |
4 |
151.47 |
M 4.5 − M 6 |
M 8 |
6 |
12 |
14 |
9 |
45 |
145 |
5 |
154.94 |
M 7 |
M 9 − M 10 |
7 |
12 |
16 |
9 |
45 |
145 |
6 |
154.94 |
M 8 |
M 11 |
8 |
12 |
16 |
9 |
45 |
145 |
7 |
154.94 |
M 9 |
M 12 |
9 |
12 |
18 |
9 |
45 |
145 |
8 |
154.94 |
M 10 |
– |
10 |
12 |
18 |
9 |
45 |
145 |
9 |
166.82 |
– |
M 14 |
11 |
12 |
20 |
9 |
45 |
145 |
10 |
166.82 |
– |
M 16 |
12 |
12 |
20 |
9 |
45 |
145 |
11 |
238.59 |
– |
M 18 |
14 |
18 |
24 |
14.5 |
49 |
149 |
12 |
238.59 |
– |
M 20 |
16 |
18 |
26 |
14.5 |
49 |
149 |
13 |
255.42 |
– |
M 22 − M 24 |
18 |
18 |
29 |
14.5 |
49 |
149 |
Application Guide of GARANT Tap extension with quick-release chuck length 145mm-149mm 338460:
- Long version.
- Torque transmission via the square shank.
- The leading end of the extension is fitted with a quick-release chuck.
- The rear end of the extension is to DIN, so that the extension can be mounted either in a quick-change tapping head or in an ER collet for taps with a square shank.
Advantage:
- Time-saving exchange of taps with repetition accuracy and quick-change adapter.
- Almost any combination of extensions available, due to the identical diameter D3 and drive square K2.
Application:
For tapping in confined places, such as recesses, offsets, sharp edges on jigs, extremely deep internal threads, or directly into casting walls.
Suitable for:
For mounting in quick-change tapping collets or ER tapping collets with a square drive.