• Model NO.：QL 30, QL 40, QL 50, QL 60, QL 80
• Color：Blue
• Function：New
• Gross Weight：3-8kgs
• Shape：Flat or Concave or Convex
• Mining Object：Coal Machinery
• Transport Package：Carton
• Specification：CE
• Trademark：Bestlink
• Origin：China
• HS Code：82071990
• Production Capacity：5000000PCS Per Year

DTH hammer typeCIR90Length(less bit)795mmWeight(less bit)22.0kgExternal diameterΦ80mmBit shank IR3.5"CIR90/QT90Hole range(mm)Φ90-130Connection threadmale T48*10*2Working pressure0.5-0.7MpaImpact rate820rpm(6bar)Recommended
Rotation speed 
Air consumption10bar120L/s(6bar)18bar 24bar DTH hammer typeHD35HD45HD55Length(less bit)930mm1030mm1170mmWeight(less bit)24.5kg39.2kg71.5kgExternal diameterΦ81mmΦ99mΦ125mBit shankIR3.5"COP34COP44/DHD340COP54/DHD350RHole range(mm)Φ90-110Φ110-135Φ135-155Connection threadAPI 2 3 /8" Reg.API 2 3 /8" Reg.API 2 3 /8" Reg.  API 3 1 /2" Reg.Working pressure0.5-2.5Mpa0.5-2.5Mpa0.5-2.5MpaImpact rate at 17 Bar28Hz27Hz25HzRecommended
Rotation speed28r/min25-40r/min20-30r/minAir consumption10bar80L/s100L/s1450L/s18bar1600L/s180L/s280L/s24bar210L/s250L/s390L/sDTH hammer typeHD55CHD65HD85Length(less bit)1160mm1248mm1487mmWeight(less bit)70.00kg98.00kg188.00kgExternal diameterΦ125mmΦ142mΦ180mBit shankHD55C DHD350QCOP64/DHD360COP84/DHD380Hole range(mm)Φ135-155Φ155-190Φ195-254Connection threadAPI 2³/8" Reg.API 2³/8" Reg.API 4 1 /2" Reg.API 3 1 /2" Reg.  Working pressure0.5-2.5Mpa0.5-2.5Mpa0.5-2.5MpaImpact rate at 17 Bar25Hz23Hz20HzRecommended
Rotation speed20-30r/min15-25r/min15-20r/minAir consumption10bar140L/s175L/s190L/s18bar280L/s3400L/s370L/s24bar390L/s475L/s495L/s