Dual Rotary Drilling Proves to Be a Swift and Reliable Method for The Toughest Jobs, Utilizing 2 Rotary Drive Mechanisms, Including A Lower Drive That Rotates The Casing.
Performance Benefits:
Cuts Through Boulders, Ledge, And Hard Bedrock
Reduces Sidewall Friction for Deeper Drilling
Protects Casing from Splits and Structural Damage
Extends Casing and Tooling Life
Domed Button Advantages:
Maximum Resistance to Breakage in Hard Rock
Smaller Carbide Buttons Tend to Provide Faster Penetration but May Wear Out Sooner in Hard Rock