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DML rotary blasthole drills

Improves safety while handling drill bits on deck

Hydraulic Operated Bit Basket System (HOBBS) for DML improves safety while handling drill bits on deck.


  • Select the correct sizes of roller deck bushing, breakout fork, and bit basket according to your drill bit sizes.
  • All required port connections of cylinder and valves will be referenced in the HOBBS installation manual.
  • HOBBS field retrofit kit comes with all the necessary subcomponents along with your chosen sizes of roller deck bushing, breakout fork and bit basket.


A field retrofit kit for changing the drill bit on the deck to enable safer operations.
Easy to maintain with fewer moving parts and subcomponents means greater reliability.
Straightforward installation, including a step-by-step procedure provided with the kit.