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Down the hole hammers and DTH drill bits ( DTH bits )
Produced from premium quality nickel-alloy steel for increased durability and wear characteristics, specific heat treatment standards and special "stress relief" processes ensure consistent performance bit after bit!
(1) Size: 90mm-305 mm with flat face, concave design fit for the atlas copco and ingersoll-rand model etc.
(2) DTH Hammer: IR hammer, DHD3.5, DHD340, DHD350, DHD360, DHD380, COP32, COP44,
COP54, COP64, COP84, XL3, QL40, QL50, QL60, QL80, and low pressure hammers CIR65a, CIR90, CIR110, CIR150, CIR170 etc.
(3) Package: In laminated board case
(4) Productivity: 5,000pcs/month 1500pcs/week
eccentric casing system (ODEX) with three pieces
ODEX include guide devoice, polit bit,reamer,casing shoe,locking kit
Outer dia of casing tube is 108-273mm
Inner dia of casing tube is 93-99mm---251-257mm
Reaner dia 118mm- 300mm
Min Inner dia od casing shoe 86-241mm
Drill pipes 76-127
eccentric casing system (ODEX) with two pieces
tOuter dia of casing tube is 178-323mm
Inner dia of casing tube is 159-165mm---299-303mm
Reaner dia 188mm- 360mm
Min Inner dia od casing shoe 144-284mm
Drill pipes 76,89-127
Concentric casing system
A Discharge head B drill rod C guide sleeve D DTH hammer E Casing tube F Pilot bit
G casing shoe H ring bit
Application Range
It is recommended to drill in rock formation where contains some ovals and fractures
Design Principles
The stable and reliable working performance and the less vibration of drill rig
Different structures
Concentric system with ring bits ,with wings and with blocks
ODEX eccentric casing system for grouting and dam
