Proper maintenance of your HDD tooling — drill pipe, pilot bits, reamers, swivels, and housings — can dramatically extend tool life and reduce your cost per bore.

Drilling fluid is often called the ‘fourth tool’ in HDD. Learn what bentonite mud does, how to mix it correctly, and what happens when you get it wrong.

After the pilot bore, the reamer enlarges the hole to accept the product pipe. Learn about fluted reamers, paddle reamers, rock reamers, and how to size them correctly.

The pilot bit is the first tool to enter the ground on every HDD job. Learn how to select the right bit for sandy soil, clay, rock, and mixed conditions.

The definitive expert guide to every HDD drill string component: drive chucks, saver subs, starter rods, drill pipe, collars, transmitter housings, crossover adapters, reamers, swivels, and drilling fluid. Real product photos, technical specs from official catalogs, and direct links to shop at Elite Underground Tools.

Learn the basics of Horizontal Directional Drilling (HDD) — what it is, how it works, and why it’s the preferred trenchless method for installing underground utilities.