Here are some horizontal directional drill (HDD) techniques when working with hard rock. Working Conditions: Hard Rock. -Step 1: Pilot Bore. Tool: Dual Rod Drill Head. Technique: Position Bent Sub for Steering. -Step 2: Pullback. Tools: Hole Opener, Swivel. -Result: Bore Complete.Continue Reading

For drilling in rock, you need a machine that can take on the tough jobs in tough ground conditions. The new D23x30DR S3 Navigator® horizontal directional drill helps lead the way in rock drilling and continues the legacy of the S3 badge – speed, simplicity and sound. Adding to the Vermeer lineup of rock drills, the D23x30DR...Continue Reading