API Oil Equipment Square Drive Roller Kelly Bushing

Square drive roller kelly bushing

Square drive roller kelly bushing has the following advantages:

1, the string can be pulled out or released during rotation;

2. Because of its overall structure, it can't fly out and hurt you.

3, the bushing is easy to install into the main bushing, keep good centering;

4, Kelly and roller contact for rolling contact, friction is small, the weight of the drill is accurate;

5, Kelly wear less, long life;

6. Working conditions have been improved.

Packaging

After Sales Warranty

Square drive roller kelly bushing

Square drive roller kelly bushing has the following advantages:

1, the string can be pulled out or released during rotation;

2. Because of its overall structure, it can't fly out and hurt you.

3, the bushing is easy to install into the main bushing, keep good centering;

4, Kelly and roller contact for rolling contact, friction is small, the weight of the drill is accurate;

5, Kelly wear less, long life;

6. Working conditions have been improved.