Roller Kelly Bushings are used for 17 1/2-49 1/2 in rotary tables. They are designed and manufactured according to API Spec 7 K.
Port: Tianjin
Minimum Order Quantity: 1 Piece/Pieces
Supply Ability: 500 Piece/Pieces per Month
Payment Terms: L/C,T/T
Contact SupplierPackaging Detail: Standard Packing
Delivery Detail: 30 Days
Roller Kelly Bushings Technical Specifications and Parameters
| Type | Style | Way of Drive | Square (in) | Hexagon (in) |
| HDS | Heavy | Square Drive | 2 2/1-6 | 3-6- |
| 27-HDP | Pin Drive | 2 2/1-6 | 3-6- | |
| 20-HDP | Pin Drive | 2 2/1-6 | 3-6- | |
| 4KRVS | Medium | Square Drive | 2 1/2-5 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 | |
| 4KRMB | Light-Weight | Square Drive | 2 1/2-4 1/4 | 3-4 1/4 |