OEM Supply Taper Button Bits - Rotary Deck Bushing – TDS
OEM Supply Taper Button Bits - Rotary Deck Bushing – TDS Detail:
This rotating bushing assembly has 3 bearing races that allow for the inner sleeve to rotate within the outer body. TDS deck bushing provides high performance combined with longer service life. This type of deck bushing is used primarily in rotary applications where the rotation speed is considerably higher than that of a DTH application.
We can supply deck bushings for these models, as below:
- DM45-50-DML, DMH/DMM/DMM2, DMM3, Pit Viper 235, Pit Viper 271, Pit Viper 351
- MD 6240/6250, MD 6290, MD 6420,MD 6540C, MD 6640
- 250XPC,285XPC, 320XPC, 77XR
- D245S, D245KS, D25KS, D45KS, D50KS, D55SP, D75KS, D90KS, DR440, DR460 461
Drill Pipe OD(MM) | Deck Bushing OD(MM) | Flange Diameter (MM)/Type |
102 | 254 | 305mm w/2 x Slots |
114 | 254 | 305mm w/2 x Slots |
114 | 254 | 356mm w/1 x Flat |
127 | 254 | 305mm w/2 x Slots |
127 | 254 | 356mm w/1 x Flat |
140 | 254-330 | 305-406mm w/2 x Slots |
152 | 254 | 356mm w/1 x Flat |
159 | 254-330 | 305-406mm w/2 x Slots |
165 | 254-330 | 305-406mm w/2 x Slots |
178 | 286-330 | 305-406mm w/1 or 2 x Slots or 1x Flat |
194 | 286-330 | 305-406mm w/1 or 2 x Slots or 1x Flat |
219 | 286-406 | 305-482mm w/1 or 2 x Slots or 1x Flat |
235 | 330-406 | 406-482mm w/Slots or Flat |
273 | 381-406 | 400-432mm w/ Flat only |
340 | 432 | 550mm w/2 x Slots |
When ordering or requesting a quotation, please specity:
Drill Rig Make & Model No. ; Drill Pipe OD; Deck Hole Diameter; Flange Plate Thickness, Flange Plate Configuration (lugs, squares, flats dimensions and location); Lifting Eyes required? Specifial Requests
An independent OQC team performs final inspections and document checks before shipment.
Product detail pictures:



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To meet the customers' over-expected pleasure , we have now our solid crew to supply our greatest all round assistance which includes marketing, sales, planning, production, top quality controlling, packing, warehousing and logistics for OEM Supply Taper Button Bits - Rotary Deck Bushing – TDS , The product will supply to all over the world, such as: Colombia, Hungary, Netherlands, Look forward to the future, we will focus more on the brand building and promotion . And in the process of our brand global strategic layout we welcome more and more partners join us, work together with us based on mutual benefit. Let's develop market by fully utilizing our comprehensive advantages and strive for building.

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