... suitable to match with all kinds of DTH hammer. Down the hole hammers and DTH bits (Down The Hole Drilling) (1 ... 2) DTH Hammer: IR hammer, DHD3.5, DHD340, DHD350, DHD360, DHD380, COP32, COP44, COP54, COP64, COP84, and low pressure hammers CIR65a ... , CIR90, CIR110, CIR150, CIR170 etc. (3) Package: In laminated board case(4) Productivity: 10,000pcs/month High Air Pressure DTH ...