Reaming Opener Double Casing Rock Drilling Tools

Reaming Opener Double Casing Rock Drilling Tools Crown Bit and Percussion Bit

DTH and Top Hammer type Double casing drilling tools

Application Range(DTH hammer type drilling inside the case) It can be widely used in drilling for grouting holes in projests such as cofferdam, foundation and geothermal well and etc.

Features:
1.Hardening treatment of the parts surface with longer operating life
and excellent anti-wear properties
2.Structure optimization Strengthen the structural
3.Superior performance Smooth with high efficiency