China DTH Rock Drilling Hammer High Air Pressure DTH Hammer Bits for Well Drilling, Find details about China DTH Hammer, Drilling Hammer from DTH Rock Drilling Hammer High Air Pressure DTH Hammer Bits for Well Drilling
Bit Shank | INCH | Connection Thread | External Diameter | Bit Diameter | Bit Diameter | Length (less bit) | Weight (less bit) | Working Pressure | Recommended Rotation Speed |
Code No. | mm | mm | inch | MM | KG | MPA | R/MIN | ||
BR1 | 2 | RD40 BOX | 54 | 64-76 | 2.5-3 | 760 | 10 | 0.7-1.75 | 25-40 |
BR2 | 2 | RD50 BOX | 62 | 70-90 | 2.8-3.5 | 880 | 14.5 | 0.7-1.75 | 25-40 |
BR3 | 3 | API 2 3/8"REG BOX | 82 | 90-110 | 3.5-4.3 | 889 | 26 | 0.7-1.75 | 25-40 |
CIR90 | 3 | T48*10*2 BOX | 80 | 85-110 | 3.3-4.3 | 800 | 19 | 0.5-0.7 | 25-40 |
CIR110 | 4 | API 2 3/8"REG BOX | 98 | 110-135 | 4.3-5.3 | 839 | 32 | 0.5-0.7 | 25-40 |
CIR150 | 5 | T75*10*2.5 BOX | 137 | 155-178 | 6.1-7 | 908 | 69 | 0.5-0.7 | 25-40 |
COP32 | 3 | API 2 3/8"REG BOX | 82 | 90-110 | 3.5-4.3 | 888 | 25 | 1-1.5 | 25-40 |
COP44, DHD340 | 4 | API 2 3/8"REG BOX | 99 | 110-135 | 4.3-5.3 | 1030 | 39 | 1-2.5 | 25-40 |
COP54, DHD350 | 5 | API 2 3/8"REG BOX | 125 | 135-155 | 5.3-6.1 | 1214 | 76.5 | 1-2.5 | 25-35 |
COP54, DHD350 | 5 | API 3 1/2"REG BOX | 125 | 135-155 | 5.3-6.1 | 1214 | 76.5 | 1-2.5 | 25-35 |
COP64, DHD360 | 6 | API 3 1/2"REG BOX | 142 | 155-190 | 6.1-7.5 | 1248 | 100 | 1-2.5 | 20-30 |
COP84, DHD380 | 8 | API 4 1/2"REG BOX | 180 | 195-254 | 7.7-10 | 1492 | 188 | 1-2.5 | 20-30 |
DHD3.5 | 3 | API 2 3/8"REG BOX | 82 | 90-110 | 3.5-4.3 | 930 | 25 | 1-1.5 | 25-40 |
DHD1120 | 12 | API 6 5/8"REG BOX | 275 | 305-445 | 12-17.5 | 1900 | 480 | 1-2.5 | 15-25 |
IR3.5 | 3 | API 2 3/8"REG BOX | 82 | 90-110 | 3.5-4.3 | 888 | 25 | 1-1.5 | 25-40 |
NUMA100 | 10 | API 6 5/8"REG BOX | 226 | 254-311 | 10-12.2 | 1510 | 288 | 1-2.5 | 15-25 |
NUMA120 | 12 | API 6 5/8"REG BOX | 275 | 305-445 | 12-17.5 | 1900 | 485 | 1-2.5 | 15-25 |
QL40 | 4 | API 2 3/8"REG BOX | 99 | 110-135 | 4.3-5.3 | 1097 | 41 | 1-2.5 | 25-40 |
QL50 | 5 | API 3 1/2"REG BOX | 125 | 135-155 | 5.3-6.1 | 1156 | 73 | 1-2.5 | 25-35 |
QL60 | 6 | API 3 1/2"REG BOX | 146 | 155-190 | 6.1-7.5 | 1212 | 95 | 1-2.5 | 20-30 |
QL80 | 8 | API 4 1/2"REG BOX | 180 | 195-254 | 7.7-10 | 1465 | 182 | 1-2.5 | 15-25 |
SD4 | 4 | API 2 3/8"REG BOX | 99 | 110-135 | 4.3-5.3 | 1084 | 40.5 | 1-2.5 | 25-40 |
SD5 | 5 | API 3 1/2"REG BOX | 125 | 135-155 | 5.3-6.1 | 1175 | 72.5 | 1-2.5 | 25-35 |
SD6 | 6 | API 3 1/2"REG BOX | 142 | 155-190 | 6.1-7.5 | 1261 | 100 | 1-2.5 | 20-30 |
SD8 | 8 | API 4 1/2"REG BOX | 180 | 195-254 | 7.7-10 | 1463 | 192 | 1-2.5 | 15-25 |
SD10 | 10 | API 4 1/2"REG BOX | 226 | 254-311 | 10-12.2 | 1502 | 290 | 1-2.5 | 15-25 |
SD10 | 10 | API 6 5/8"REG BOX | 226 | 254-311 | 10-12.2 | 1502 | 290 | 1-2.5 | 15-25 |
SD12 | 12 | API 6 5/8"REG BOX | 275 | 305-445 | 12-17.5 | 1880 | 487 | 1-2.5 | 15-25 |