Topdrive Drillers, providing contract Diamond Drilling and RC drilling services to the Mining and Minerals Industry in Australia. Safe Production, Core recovery and sample presentation are major priorities, and Topdrive uses only the very best equipment to achieve top quality samples. Topdrive Drillers Australia can undertake PQ, HQ, NQ, BQ triple tube Geothech drilling, also offer services in mud rotary, reverse circulation, large diameter coring and wedging or directional work.