QUICK FIRE QF400 (P) X FS600 (P) TAIL PIECE D16X20 TO 36X50 is an HDD tail piece adapter for Vermeer equipment, built for tailpiece connection and adapter setup.
- Machine fit: D16X20, D18X22, D20X22, D23X30 + more
- Thread / connection: FS600, QF400
- Product family: Tail Piece Adapter
Use the machine model, thread details, and pin or box orientation shown on the product title to confirm fit before ordering. For conversion adapters, verify both connection ends before installation.




![[USA] Vermeer FS600 Drill Pipe - 10 ft](https://eliteundergroundtools.com/wp-content/uploads/2026/03/hdd-drill-pipe-pin-thread-600-connection-300x300.png)






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