Kimdrill Friction Kelly bars are used with piling rigs for drilling in silt, clay and less dense sand and gravel. The Friction Kelly bars are un-lockable with drive keys on each section. Kelly bars can be equipped with specially designed springs or pressure plates for shock absorbing purpose.
| Identification No. |
Torque(ton. m) |
O. D. (mm) |
Sections |
Drilling Depth (m) |
| FK 36/470/3/27~28 |
36 |
470 |
3 |
27~28 |
| FK 36/470/4/36~72 |
36 |
470 |
4 |
36~72 |
| FK 25/440/3/36 |
25 |
440 |
3 |
36 |
| FK 25/440/4/50 |
25 |
440 |
4 |
50 |
| FK 25/440/5/65 |
25 |
440 |
5 |
65 |
| FK 28/394/3/24~48 |
28 |
394 |
3 |
24~48 |
| FK 28/394/4/32~65 |
28 |
394 |
4 |
32~65 |
| FK 18/377/3/36 |
18 |
377 |
3 |
36 |
| FK 18/377/4/50 |
18 |
377 |
4 |
50 |
| FK 22/406/3/36 |
22 |
406 |
3 |
36 |
| FK 22/406/4/50 |
22 |
406 |
4 |
50 |
| FK 36/508/4/60 |
36 |
508 |
4 |
60 |
| FK 36/508/5/75 |
36 |
508 |
5 |
75 |
