Types and characteristics of down the hole drilling rig

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  1. Based on Location: Underground vs. Open-Pit​
Down the hole drilling rig divide into two types by location. Underground drills fit tight mine spaces. Compact and explosion-proof, they work safely in mines. Open-pit drills suit large sites. They handle tough terrain, drilling deeper and wider holes for big jobs.​
  1. By Weight: Different Sizes for Jobs​
They also classify by weight. Light drills, 80 – 100mm in diameter, move easily in small areas. Medium drills (150миллиметр) work well in mid-sized projects. Heavy and super-heavy drills, 200 – 250миллиметр, power through hard rocks for large mines and dams.​
  1. According to Drill Bit Diameter​
Drills vary by bit size. Large-diameter ones, 200 – 250миллиметр, boost blasting in mines. Smaller ones, 70 – 120миллиметр, do precise tasks like geological sampling. With diverse types, they meet all engineering needs.down the hole drilling rig