For DTH hammer:
Applications: Well drilling, foundation drilling
DTH hammer shank | casing Dia. (mm) | Casing Dia. (inch) |
DHD3.5/QL30/M30/COP32 | 114.3mm, | 4 /12", |
DHD340/QL40/M40/COP44 | | |
DHD350/QL50/M50/COP54 | 168mm,
178mm | 6 5/8"
7" |
DHD360/QL60/M60/COP64 | | |
DHD380/QL80/M80/COP84 | | |
DHD1120/NUMA120/SD12 | 406mm | 16" |
For Tophammer:
Applications: Foundation drilling
Thread | Casing Dia. (mm) | Casing Dia. (inch) |
R32 | 76mm | 3" |
T38 | 89mm | 3 1/2" |
T45 | 114mm | 4 1/2" |
T51 | 140mm | 5 1/2" |
Tell me the hole depth and diameter, your hammer type, we can design the project for you.
Detailed Images
Concentric casing system for DTH drilling:
Concentric casing system for Tophammer drilling:
Packing & Delivery
Packing: Ply-wooden cases + pallet
Delivery: By sea, By air or by Express
Place of Origin:
Hunan, China
Brand Name:
SOLLROC
Model Number:
DHD,SD,QL,MISSION,COP
Type:
Drill Bit
Machine Type:
Drilling Tool
Certification:
ISO:9001
Material:
Carbon Steel
Processing Type:
Forging
Use:
Well Drilling
Application:
Rock Drilling
Color:
Required
Product name:
concentric casing system, symmetrix system
Advantage:
High Performance
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