Thread Mounted Medium-Duty Industrial Model
Jacobs Model |
T4 Model |
Capacity (min.-max.) |
Threaded Mount |
Uses Key |
OB-5/16 |
OB-0.312 |
0.0135-0.156" |
5/16" - 24 |
K0 |
1BA-3/8 |
1BA-0.375 |
0.040-0.250" |
3/8" - 24 |
K1 |
2BA-3/8 |
2BA-0.375 |
0.040-0.375" |
3/8" - 24 |
K2 |
31BA-3/8 |
31BA-0.375 |
0.063-0.375" |
3/8" - 24 |
K30 |
41BA-3/8 |
41BA-0.375 |
0.040-0.375" |
3/8" - 24 |
K30 |
41BA-3/8S~ |
41BA-0.375S~ |
0.040-0.375" |
3/8" - 24 |
K30 |
41BA-1/2 |
41BA-0.500 |
0.040-0.375" |
1/2" - 20 |
K30 |
33BA-3/8 |
33BA-0.375 |
0.078-0.500" |
3/8" 24 |
K32 |
33BA-1/2 |
33BA-0.500 |
0.078-0.500" |
1/2" - 20 |
K32 |
33BA-5/8 |
33BA-0.625 |
0.078-0.500" |
5/8" - 16 |
K32 |
~Smooth Sleeve
Thread Mounted Heavy-Duty Industrial Model
Jacobs Model |
T4 Model |
Capacity (min.-max.) |
Threaded Mount |
Uses Key |
7BA-3/8 |
7BA-0.375 |
0.040-0.250" |
3/8" - 24 |
K7 |
32BA-1/2 |
32BA-0.500 |
0.040-0.375" |
1/2" - 20 |
K32 |
34BA-5/8 |
34B-0.625 |
0-0.500" |
5/8" - 16 |
K3 |
34BA-45/64 |
34B-0.703 |
0-0.500" |
45/64" - 16 |
K3 |
3B-5/8 |
3B-0.625 |
0.125-0.625" |
5/8" - 16 |
K3 |
3B-45/64 |
3B-0.703 |
0.125-0.625" |
45/64" - 16 |
K3 |
35B-1/2 |
35B-0.500 |
0.156-0.625" |
1/2" - 20 |
K3 |
36B-5/8 |
36B-0.625 |
0.188-0.800" |
5/8" - 16 |
K4 |
36B-3/4 |
36B-0.750 |
0.188-0.800" |
3/4" - 16 |
K4 |
36B-45/64 |
36B-0.703 |
0.188-0.800" |
45/64" - 16 |
K4 |
Thread Mounted Medium-Duty Industrial Model
Jacobs Model |
T4 Model |
Capacity (min.-max.) |
Threaded Mount |
Uses Key |
0 |
0 |
0.0135-0.156" |
0JT |
K0 |
1A |
1A |
0.040-0.250" |
1JT |
K1 |
2A |
2A |
0.040-0.375" |
2JT |
K2 |
31-01 |
31-01 |
0.040-0.375" |
1JT |
K30 |
31-02 |
31-02 |
0.040-0.375" |
2JT |
K30 |
33 |
33 |
0.078-0.500" |
33JT |
K32 |
33KD** |
33KD |
0.078-0.500" |
33JT |
K32 |
Thread Mounted Heavy-Duty Industrial Model
Jacobs Model |
T4 Model |
Capacity (min.-max.) |
Threaded Mount |
Uses Key |
34-02 |
34-02 |
0.040-0.500" |
2JT |
K3 |
34-06 |
34-06 |
0.040-0.500" |
6JT |
K3 |
34-33 |
34-33 |
0.040-0.500" |
33JT |
K3 |
34-33C* |
34-33C |
0.040-0.500" |
33JT |
K3C |
3A |
3A |
0.125-0.625" |
3JT |
K3 |
3KD** |
3KD |
0.125-0.625" |
3JT |
K3 |
3PD*** |
3PD |
0.125-0.625" |
3JT |
K3 |
36 |
36 |
0.180-0.800" |
3JT |
K4 |
36KD** |
36KD |
0.180-0.800" |
3JT |
K4 |
36PD*** |
36PD |
0.180-0.800" |
3JT |
K4 |
* Equipped with locking collar 1 -1/16" - 20 thread.
** Equipped with positive drive slot.
*** Equipped with pin-type positive drive.