Does QuickFire work on Ditch Witch rigs?

QuickFire is designed around the Vermeer rod thread. For Ditch Witch rigs, use the Hawkeye LP / Hex adapter family — same concept, different thread form. Check the adjacent Hawkeye subsection.

How often should I rebuild a QF tailpiece?

Inspect the locking surfaces every 50-100 bit changes. Replace the pin and lock bushing when wear exceeds the spec card. A tailpiece body typically lasts several seasons; the wear parts are inexpensive and cheap insurance against a dropped bit in the hole.

Can I run a sonde housing directly off a QF tailpiece?

Yes — the housing bolt pattern mates the tailpiece bit pattern, so the stack is: rod → QF tailpiece → sonde housing → bit. Verify sonde-to-bit standoff against the transmitter spec so signal geometry stays correct.

HDD Adapters & Subs · 17 SKUs

QuickFire (QF) Tailpieces

Vermeer QuickFire connection adapters

The QuickFire tailpiece lets an HDD crew change bits without breaking a threaded connection. A single pin release drops the bit; the replacement locks back in under a minute. On a 10-pull day swapping bit profiles twice in heterogeneous ground, that is 20-30 minutes of direct labor saved plus the avoided thread wear on the tailpiece itself.

Drillworx stocks the QF tailpiece across the current Vermeer D-Series rod-connection family. Each tailpiece is matched to a specific rod connection at the top and a specific bit pattern at the bottom. If your fleet runs multiple rod sizes, carry the tailpieces that match each rig rather than chasing single-point adapters.

For crossover situations — Vermeer rod with a Ditch Witch bit, or the reverse — pair the QF tailpiece with a Firestick or Hawkeye crossover in the adapters subsection. Stacking two quick-connect systems works, but specify both ends when you quote so we can confirm stack-height and sonde fit.

Field guidance

When to use quickfire (qf) tailpieces

Frequent bit swaps on heterogeneous ground

When the crew is switching between soft-ground, all-terrain, and rock bits inside a single shift, the QF payback is immediate.

Mixed rod connections across a fleet

Standardize every rig on a QF tailpiece so a crew can walk a bit between machines without a thread-compatibility check.

Limited-access jobsites

Swapping bits at the entry pit is slow when there is no bench next to the rig. QuickFire shortens the changeout enough that many crews skip the bench entirely.

Training and new operators

QF connections reduce the risk of cross-threaded tailpieces — a common and expensive mistake with a new helper on the brake handle.

Compatibility

Fitment & sizing

Rod connection: Vermeer D-Series rod threads
Bit pattern: Vermeer 6-bolt and 7-bolt; Ditch Witch via crossover
Stack: Direct bolt-on bit, sonde housing, or crossover sub
Companion products: Firestick adapters, sub savers, pullback savers

17 products

FAQ