TEI Rock Drills and Foothills Drilling Equipment have opened registration for the TEI Spring Hollow Bar Seminar, scheduled for April 15 to 16, 2026, in Columbus, North Carolina.
According to the event announcement, students will learn through classroom instruction and field demonstration about the process and best practices of installing hollow bar. Instructors will also cover the operation, maintenance, and troubleshooting of TEI equipment onsite.
The announcement states that space is limited to 35 attendees. Registrations are complete once payment has been made.
