• Model NO.：RC Series Reverse Circulation DTH Hammer Bits
• Place of Origin：Fujian, China (Mainland)
• Model Number：RC45 RC55 RC65
• Mining Object：Deep Exploration Drilling
• Transport Package：Plywood Box
• Specification：as per order quantity
• Trademark：Bestlink
• Origin：China
• HS Code：82071990
• Production Capacity：20000PCS Per Month

DTH Hammer TypeHRC45HRC55HRC65HRC52RC542RC543RC545RC547Length (less bit) mm10201111125012081191119112611270Weight (excluding bit) kg9466.51107057626571External diameter mm99126146126109.5116117.5124.5Bit shank HRC45HRC55HRC65PR52RE542RE542RE545RE547Hole range mm114-127133-152155-190133-146113-130120-135122-135130-146Connection thread upon the thread of the drill tube3.5"-4" remet
4" metzke4"-4.5" remet
4"-4.5" metzke4.5" remet
4.5" metzkeworking pressureMpa1.0-3.01.5-3.51.5-3.51.5-3.51.5-3.51.5-3.51.5-3.51.5-3.5Impact rate at 1.7 MpaHZ3035283535353535Recommended Rotation Speedr/min25-4025-4025-4025-4025-4025-4025-4025-40Air consumption (m3/min1.0 Mpa8162016121216161.8Mpa12222622181822222.4Mpa1628352826262828
  Drill BitBit Dia.
(mm)No. Air
HolesGauge
ButtonsFront
ButtonsWeight
(kg)Part No.HRC11528x148x1314HRC45-11514028x168x1416.5HRC55-14016528x188x1619.5HRC65-165MIC13328x168x1417.5MIC-13314028x168x1418MIC-14014628x188x1420MIC-146PR513328x168x1412.5PR5-13314028x168x1413PR5-14014628x188x1413.5PR5-146PR411528x168x1314.4PR4-11512728x168x1415PR4-12713328x168x1415.5PR4-133