TRB Overburden Drilling System
(In stock)
| Product Name | TRB Overburden Drilling System |
| Model Number | TRB90, TRB115, TRB130, ..., TRB810 (Various casing/bit size combinations) |
| Brand | TOPDRILL |
| Category | Overburden Drilling System – Simultaneous casing & drilling |
| Country of Origin | South Korea |
| Material | High-strength alloy steel with wear-resistant casing wingsز |
| Applications | Efficient drilling through overburden with simultaneous casing advancement; ideal for water wells, geothermal, civil construction in unstable or loose formations . |
TOPDRILL’s TRB System features retractable casing wings that expand during drilling and retract via reverse rotation, enabling economical simultaneous casing installation and core drilling. It supports casing sizes from 114 mm to 863 mm OD and is compatible with small to large TG hammers (TG35 up to TG640) . Offered in a wide range (TRB90–TRB810) to match specific site conditions and drilling rigs. Ideal for overburden removal in water‑well, geothermal, and civil applications requiring hole stability.
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