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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.
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.
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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.
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