Manufacturer of Mining & Construction Equipments
pneumatic sinker drills

  MH502A Pneumatic Sinker Drill

The MH502A pneumatic sinker drill is the first choice for multiple kinds of drilling operations. With the largest in-class piston diameter and its superior integral oiler lubrication system, the MH502A has very low spare parts consumption. This drill also has low air consumption thereby reducing overall running costs. Combined blower & throttle lever and T-handle increases operator comfort. This pneumatic rock drilling machine with robust construction quality and streamlined design allows high penetration rates over a long period of time with minimum maintenance costs and downtime.


Key Features Pneumatic Sinker Drill:


  • Integral oiler provides continuous & efficient lubrication
  • Graduated ratchet throttle control ensures accuracy in collaring holes
  • Tough latch retainer provides extra support to collar and reduces wear
  • T-handle for increased comfort
  • Blower lever for deep hole cleaning
  • High speed drilling

Low maintenance



• Water flushed drilling
• Chuck sizes – 22 mm X 108 mm (7/8”X4¼”) & 25 mm X 108 mm (1”X4¼”)


Metric Imperial
Length 575 mm 23”
Weight 25.5 kg 56 lb
Stroke Length 51 mm 2”
Impact Rate 1980 BPM
Air Consumption 48 l/s 102 cfm
Working pressure 6 bar 87psi
Revolutions 215 RPM
Penetration Rate 230 mm/min 9 in/min
Piston Diameter 67 mm 2 5⁄8”
Max Drilling Diameter 50 mm 2”
Max Drilling Depth 3000 mm 10’
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