High Air Pressure DTH Hammers
Inch Length
(Less Bit) Weight
(Less Bit) External
Diameter Bit Shank Hole Range Connection Tread
2" 872mm 16kg Φ71mm HD25 Φ76-Φ90 T42*10*1.5
3" 888mm 25kg Φ82mm IR3.5 Φ90-Φ115 API 2 3/8" Reg
4" 1011mm 43.2kg Φ99mm COP44 DHD340 Φ110-Φ135 API 2 3/8" Reg
986mm 37kg Φ92mm COP44 DHD340 Φ105-Φ120
1012mm 40kg Φ99mm SD4 Φ110-Φ135
1070mm 40kg Φ99mm QL40 Φ110-Φ135
1005mm 40kg Φ99mm MISSION 40 Φ110-Φ135
5" 1110mm 69kg Φ125mm COP54 DHD350R Φ135-Φ155 API 2 3/8" Reg
API 3 1/2" Reg
1110mm 66kg Φ116mm COP54 DHD350R Φ127-Φ145
1102mm 68kg Φ125mm COP55C DHD350Q Φ135-Φ155
1090mm 70kg Φ125mm SD5 Φ135-Φ155
1090mm 67kg Φ125mm QL50 Φ135-Φ155
1110mm 68.5kg Φ125mm MISSION 50 Φ135-Φ155
6" 1238mm 98kg Φ142mm COP64 DHD360 Φ155-Φ203 API 3 1/2" Reg
1182mm 90kg Φ146mm SD6 Φ155-Φ203
1183mm 92kg Φ146mm QL60 Φ155-Φ203
1161mm 90kg Φ146mm MISSION 60 Φ155-Φ203
7" 1258mm 120kg Φ165mm COP64 DHD360 Φ175-Φ216 API 3 1/2" Reg
8" 1359mm 175kg Φ180mm COP84 DHD380 Φ195-Φ254 API 4 1/2" Reg
1330mm 174kg Φ180mm SD8 Φ195-Φ254
1330mm 171kg Φ180mm QL80 Φ195-Φ254
1338mm 176kg Φ180mm MISSION 80 Φ195-Φ254
1340mm 203kg Φ203mm QL80 Φ216-Φ254
10" 1525mm 316kg Φ226mm SD10 Φ254-Φ311 API 6 5/8" Reg
1545mm 305kg Φ226mm NUMA100 Φ254-Φ311
12" 1880mm 474kg Φ275mm DHD1120 Φ305-Φ445 API 6 5/8" Reg
1860mm 480kg Φ275mm SD12 Φ305-Φ445
1880mm 475kg Φ275mm NUMA120 Φ305-Φ445
1880mm 470kg Φ275mm NUMA125 Φ305-Φ445