HDD Adapters & Subs

Vermeer QuickFire connection adapters

Firestick connection adapters

Ditch Witch Hawkeye and Low Profile adapters

Thread-to-thread conversion adapters

Long-reach tailpieces with bell taper transitions

Bit-to-rod connection adapters (bolt pattern to API thread)

Spline connection crossovers for Cobble Boss systems

Pull tabs, pullback adapters, and thread savers

Ditch Witch EZ2 and EZ3 connection transition subs for JT-series machines

FS-to-API and FS-to-FS crossover subs for Vermeer Firestick #700 through #1000 drill strings

Bent subs for directional control, armor subs, and specialty adapters

Left-hand and right-hand adapters for rock and frost boring attachments

Tailpiece adapters for connecting drill strings to backreamers and pullback assemblies

Expendable subs that protect expensive drill rod connections from wear during drilling operations

Full-contact smooth-body stabilizers for borehole centralization, deviation control, and reduced drag in softer formations. Available in OD sizes from 4-1/2 inch to 8-5/8 inch with various connection and wrench flat options.

Straight-rib and spiral integral blade stabilizers for aggressive wall contact and maximum stabilization in harder formations. Available with hard surfacing and in OD sizes from 4-1/4 inch to 21-1/2 inch.

Crossover and adapter subs for transitioning between different connection types, machine interfaces, and thread standards. Includes swivel adapters, flanged adapters, dog bone crossovers, and inner tube assemblies for Matrix, CSR, and API connections.

Near-bit subs designed to protect the drill string connection at the bit, provide stabilization near the cutting face, and incorporate breaker blades for enhanced cutting action in consolidated formations.

Subs bored to accept float valves and check valves, preventing backflow of drilling fluid and cuttings into the drill string. Available in 1F-2R, 2F-3R, and full floating configurations with various connection and wrench flat options.

Standard pin-by-box transition subs for connecting drill string components with different thread sizes. Covers the most common API IF, API REG, and proprietary thread combinations in OD sizes from 3-1/2 inch to 10 inch.

Purpose-built subs for specialized drilling operations including stinger subs for extended reach, saver subs for thread protection, thru-hammer subs for DTH applications, centering subs for casing alignment, and air injector assemblies for aerated drilling.

Additional items in this category sourced from our full inventory.