Product Description
HDP roller kelly bushing
Kelly Bushings designed and manufactured in accordance with API 7K and other technical standards.
The loaded parts are made of good-quality alloy steel.
Main parameters:
Model |
Type |
Way of Drive |
Square(in) |
Hex(in) |
HDS |
Heavy |
Square Drive |
3-6 |
3-6 |
27-HDP |
Pin Drive |
3-6 |
3-6 |
|
20-HDP |
Pin Drive |
3-6 |
3-6 |
|
RTM4 |
Medium |
Square Drive |
2 1/25 1/4 |
3-4 1/4 |
20-MDP |
Pin Drive |
2 1/2--4 1/4 |
3-4 1/4 |
|
17-MDP |
Pin Drive |
2 1/2--4 1/4 |
3-4 1/4 |
|
RTS4 |
Light -duty |
Square Drive |
2 1/2--4 1/4 |
3-4 1/4 |