Horizontal Directional Drilling / Boring (HDD): How the Drill Bit Works

Horizontal Directional Drilling / Boring (HDD): How the Drill Bit Works Horizontal Directional Drilling / Boring (HDD): How the Bit Works Horizontal Technology, Inc. (http://HorizontalTech.com) 888-556-5511 (toll-free) Animation that shows how the drill bit works in soft and hard formations during Horizontal Directional Drilling / Boring (HDD). © Horizontal Technology, Inc. | All Rights Reserved