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Double Casing Rotary Rock Hammer Drill Bits DTH Hammer Type Drilling
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
outer dia | reamed dia | inner dia | thread | drill rod | drill bit dia | thread |
(mm) | (mm) | (mm) | mm | mm | mm | |
118 | 125 | 88 | 104.5 | 76 | 83 | R56 |
133 | 140 | 108 | 122 | 76 | 102 | R56 |
146 | 152 | 120 | 134 | 89 | 116 | R78 |
168 | 172 | 133 | 146.5 | 114 | 128 | R83 |
216 | 225 | 178 | 203 | 114 | 165 | R102 |
About us
MIROC® Rock Drilling Tools are Rock Drilling Tools Brand by KSQ
Tecnologies (Beijing) Co. Ltd.
KSQ Technologies (Beijing) Co. Ltd. provides exceptional technical
know-how in development, production, and application. The company
has adopted advanced manufacturing processes to ensure high quality
steels and tungsten carbide inserts for its rock drilling
accessories. Its personnel understand clients’ drilling needs, and
have the service skills to recommend the right drilling tools for
the job. Its experienced product developers can also create custom
tools. Furthermore, the company’s development team introduces
innovative products each year – tools that are rigorously tested in
the field and proven
to perform beyond industry expectations.
MIROC® Rock Drilling and Ground Support Tools include:
Integral Rods
Plug Hole Rods
Tapered Drilling Tools
Extension Drilling Tools
Drifting and Tunneling Tools
Reaming Tools
Shank Rods
Shank Adapters (Striking Bars)
Down-the-hole (DTH) Bits
Down-the-hole (DTH) Hammers