Main Technical Parameters
Type |
Hole Dia. (in) |
Blade No. |
Min Guiding Hole (in) |
Mandrel Fishing Neck Dia. (in) |
Mandrel I.D. (in) |
Upper Threads (Pin Thread) |
Lower Threads (Box Thread) |
Overall Length (in) |
HO311 |
12-1/4 |
3 |
8-1/2 |
8 |
1-1/2 |
6-5/8 REG |
6-5/8 REG |
60 |
HO406 |
16 |
3 |
10 |
9-1/2 |
2-1/4 |
7-5/8 REG |
7-5/8 REG |
72 |
HO444 |
17-1/2 |
3 |
10 |
9-1/2 |
2-1/4 |
7-5/8 REG |
7-5/8 REG |
72 |
HO3-660 |
26 |
3 |
17-1/2 |
10 |
3 |
7-5/8 REG |
7-5/8 REG |
69 |
HO4-914 |
36 |
4 |
26 |
10 |
3-1/2 |
7-5/8 REG |
7-5/8 REG |
104-3/8 |