Professional Internal Threading Tool Holder SIR (Right)
This tool holder is specifically engineered for precise internal threading on CNC machines and conventional lathes. The right-hand SIR design is tailored for 11 IR, 16 IR, and 22 IR inserts, opening up flexible applications for various thread pitches and profiles. The robust construction aims to reduce vibrations during the cutting process, thereby positively influencing the surface quality of the internal thread.
Technical data
- Design: Internal boring bar SIR
- Machining direction: Right
- Main application: Threading
- Compatible insert sizes: 11 IR, 16 IR, 22 IR
- Clamping system: Screw clamp
- Cooling design: Without cooling holes
- Packaging unit: 1 pc.
Dimensions of the Internal Threading Tool Holder SIR
|
Item. Nr. |
d |
b |
L |
h |
f |
L1 |
Dmin |
Insert |
Screw |
Shim |
Shim-Screw |
| SIR-10 K11 |
SM11830 |
10 |
10 |
125 |
9 |
7 |
- |
12 |
11 IR |
SSV M2,5x6
|
- |
- |
| SIR-12 K11 |
SM11854 |
12 |
12 |
125 |
11 |
10 |
- |
16 |
11 IR |
SSV M2,5x6 |
- |
- |
| SIR-16x13 M16 |
SM11991 |
16 |
13 |
150 |
15 |
10 |
32 |
16 |
16 IR |
SSV M3,5x8 |
- |
- |
| SIR-16 M16 |
1112393 |
16 |
15,5 |
150 |
15 |
12 |
27 |
20 |
16 IR |
I60M3,5x08TT |
- |
- |
| SIR-20 M16 |
1112394 |
20 |
19 |
150 |
18 |
14 |
28,7 |
25 |
16 IR |
I60M3,5x12TT |
MT16-MN |
SM4x8C |
| SIR-20 Q16 |
1112395 |
20 |
19 |
180 |
18 |
14 |
34 |
25 |
16 IR |
I60M3,5x12TT |
MT16-MN |
SM4x8C |
| SIR-25 M16 |
1112396 |
25 |
24 |
150 |
23 |
17 |
28,8 |
32 |
16 IR |
I60M3,5x12TT |
MT16-MN |
SM4x8C |
| SIR-32 R16 |
1112397 |
32 |
31 |
200 |
30 |
22 |
30,9 |
40 |
16 IR |
I60M3,5x12TT |
MT16-MN |
SM4x8C |
| SIR-32 S16 |
1112398 |
32 |
31 |
250 |
30 |
22 |
30,9 |
40 |
16 IR |
I60M3,5x12TT |
MT16-MN |
SM4x8C |
| SIR-40 T16 |
1112399 |
40 |
38,5 |
300 |
37 |
27 |
31,5 |
50 |
16 IR |
I60M3,5x12TT |
MT16-MN |
SM4x8C |
| SIR-50 U16 |
1112400 |
50 |
49,5 |
350 |
49 |
35 |
40,2 |
63 |
16 IR |
I60M3,5x12TT |
MT16-MN |
SM4x8C |
| SIR-20 Q22 |
1112401 |
20 |
19 |
180 |
18 |
15 |
35 |
25 |
22 IR |
I60M5x13,2 |
MT22-MN |
SM5x8,5C |
| SIR-25 R22 |
1112402 |
25 |
24 |
200 |
23 |
19 |
39 |
32 |
22 IR |
I60M4x15X |
MT22-MN |
SM5x8,5C |
| SIR-32 S22 |
1112403 |
32 |
31 |
250 |
30 |
22 |
36,4 |
40 |
22 IR |
I60M4x15X |
MT22-MN |
SM5x8,5C |
| SIR-40 T22 |
1112404 |
40 |
38,5 |
300 |
37 |
27 |
37,2 |
50 |
22 IR |
I60M4x15X |
MT22-MN |
SM5x8,5C |
| SIR-50 U22 |
1112405 |
50 |
48,5 |
350 |
47 |
35 |
42,6 |
63 |
22 IR |
I60M4x15X |
MT22-MN |
SM5x8,5C |
Applications
The boring bar is primarily used for manufacturing precise internal threads in mechanical engineering, tool and mold making, as well as general series production. It is highly suitable for turning operations where external coolant supply or dry machining is planned. Thanks to its compatibility with different IR threading inserts, the holder covers a wide range of standard and specialized threading requirements.
Special features
The well-thought-out screw clamp mechanism impresses with its ease of use during insert changes and secures the cutting edge firmly in the pocket. This supports efficient workflows and helps to reduce setup times. The intentional design without internal cooling channels provides high stability in the tool shank, which favors a stable machining process, especially during extended internal turning operations.