5 Inch High Air Pressure DTH Drill Bits 2 Holes Ore Mining Water Well Drill Bits
5 inch high Air pressure DTH Bits Cop54 DHD350R ND55 diameter 133 140 146 152 165mm 2 holes water well drill bits
| DTH bit Type | Diameter: (mm) | Weight: (kg) |
| Low air pressure DTH bits CIR series | 68 ~ 200 | 2.6 ~ 48 |
| Low air pressure DTH bits J series | 65~220 | 2.2~45 |
| Middle air pressure BR & COP DTH bits | 76 ~ 110 | 3.8 ~ 15 |
| 3 inch high Air pressure DTH bits (COP32/BR3/HD35/IR3.5/COP34/QL30) | 85 / 90 / 95 / 100 / 105 | 4.2 ~ 5.5 |
| 4 inch high Air pressure DTH bits (HD45/DHD340A/COP44/SD4/QL40/HM4) | 105 / 110 / 115 / 120 / 127 | 9 ~ 12 |
| 5 inch high Air pressure DTH bits (HD55/DHD350R/COP54/SD5/QL50/HM5) | 133 / 140 / 146 / 152 / 165 | 15 ~ 18.5 |
| 6 inch high Air pressure DTH bits (HD65/DHD360/COP64/SD6/QL60/HM6) | 152 / 165 / 178 / 190 / 203 | 26 ~ 36 |
| 8 inch high Air pressure DTH bits (HD85/DHD380/COP84/SD8/QL80/HM8) | 195 / 203 / 216 / 254 / 305 | 33 ~ 95 |
| 10 inch high Air pressure DTH bits (SD10/NUMA100) | 254/305/311/330 | 90~155 |
| 12 inch high Air pressure DTH bits (DHD1120/SD12/NUMA12/NUMA125) | 305/311/330/346/356/381 | 150~200 |
We can design and manufacture according to customers' requirmente of the bit diameter ,the NO of air holes,carbide buttons and the face shape.
High Air Pressure DTH Hammer
| DTH hammer type | HD35 | HD45 | HSD4 | HQL4 | |
| Length(less bit) mm | 930mm | 1030 | 1084 | 1097 | |
| Weight(less bit) kg | 25kg | 39 | 40.5 | 41 | |
| External diameter mm | Φ82mm | Φ99 | Φ99 | Φ99 | |
| Bit shank | DHD3.5 | COP44 DHD340 | SD4 | QL40 | |
| Hole range(mm) | Φ90-110 | Φ110-135 | Φ110-135 | Φ110-135 | |
| Connection thread | API 2 3/8” Reg. | API 2 3/8"Reg | API 2 3/8"Reg | API 2 3/8"Reg | |
| Working pressure | 1.0-1.5Mpa | 1.0-2.5Mpa | 1.0-2.5Mpa | 1.0-2.5Mpa | |
| Impact rate at 1.5-1.7Mpa | 28Hz | 27Hz | 27Hz | 27Hz | |
| Recommended Rotation speed | 25-40r/min | 25-40r/min | 25-40r/min | 25-40r/min | |
| Air consumption | 1.0Mpa | 4.5m3/min | 6.0m3/min | 6.0m3/min | 6.0m3/min |
| 1.8Mpa | 9.0m3/min | 10.0m3/min | 10.0m3/min | 10.0m3/min | |
| 2.4Mpa | / | 15.0m3/min | 15.0m3/min | 15.0m3/min | |
| DTH hammer type | HD55 | HD55C | HSD5 | HQL5 | |
| Length(less bit) mm | 1214 | 1160 | 1175 | 1156 | |
| Weight(less bit) kg | 76.5 | 72.5 | 72.5 | 73 | |
| External diameter mm | Φ125 | Φ125 | Φ125 | Φ125 | |
| Bit shank | COP54 DHD350R | HD55C DHD350Q | SD5 | QL50 | |
| Hole range(mm) | Φ135-155 | Φ135-155 | Φ135-155 | Φ135-155 | |
| Connection thread | API 2 3/8"Reg | API 2 3/8"Reg | API 3 1/2"Reg | API 3 1/2"Reg | |
| API 3 1/2"Reg | API 3 1/2"Reg | ||||
| Working pressure | 1.0-2.5Mpa | 1.0-2.5Mpa | 1.0-2.5Mpa | 1.0-2.5Mpa | |
| Impact rate at 1.5-1.7Mpa | 25Hz | 25Hz | 25Hz | 25Hz | |
| Recommended Rotation speed | 20-35r/min | 20-35r/min | 20-35r/min | 20-35r/min | |
| Air consumption | 1.0Mpa | 9.0m3/min | 9.0m3/min | 9.0m3/min | 9.0m3/min |
| 1.8Mpa | 15.0m3/min | 15.0m3/min | 15.0m3/min | 15.0m3/min | |
| 2.4Mpa | 23.0m3/min | 23.0m3/min | 23.0m3/min | 23.0m3/min | |
| DTH hammer type | HD65 | HSD6 | HQL6 | HD85 | |
| Length(less bit) mm | 1248 | 1261 | 1212 | 1492 | |
| Weight(less bit) kg | 100 | 100 | 95 | 188 | |
| External diameter mm | Φ142 | Φ142 | Φ146 | Φ180 | |
| Bit shank | COP64 DHD360 | SD6 | QL60 | COP84 DHD380 | |
| Hole range(mm) | Φ155-190 | Φ155-190 | Φ155-190 | Φ195-254 | |
| Connection thread | API 3 1/2"Reg | API 3 1/2"Reg | API 3 1/2"Reg | API 4 1/2"Reg | |
| Working pressure | 1.0-2.5Mpa | 1.0-2.5Mpa | 1.0-2.5Mpa | 1.0-2.5Mpa | |
| Impact rate at 1.5-1.7Mpa | 23Hz | 23Hz | 23Hz | 20Hz | |
| Recommended Rotation speed | 20-30r/min | 20-30r/min | 20-30r/min | 20-30r/min | |
| Air consumption | 1.0Mpa | 10.0m3/min | 10.0m3/min | 10.0m3/min | 15.0m3/min |
| 1.8Mpa | 20.0m3/min | 20.0m3/min | 20.0m3/min | 26.0m3/min | |
| 2.4Mpa | 28.5m3/min | 28.5m3/min | 28.5m3/min | 34.0m3/min | |
| DTH hammer type | HSD8 | HQL8 | HSD10 | HN100 | |
| Length(less bit) mm | 1463 | 1465 | 1502 | 1510 | |
| Weight(less bit) kg | 192 | 182 | 290 | 288 | |
| External diameter mm | Φ180 | Φ180 | Φ226 | Φ226 | |
| Bit shank | SD8 | QL80 | SD10 | NUMA100 | |
| Hole range(mm) | Φ195-254 | Φ195-254 | Φ254-311 | Φ254-311 | |
| Connection thread | API 4 1/2"Reg | API 4 1/2"Reg | API 4 1/2"Reg | API 6 5/8"Reg | |
| API 6 5/8"Reg | |||||
| Working pressure | 1.0-2.5Mpa | 1.0-2.5Mpa | 1.0-2.5Mpa | 1.0-2.5Mpa | |
| Impact rate at 1.5-1.7Mpa | 20Hz | 20Hz | 18Hz | 18Hz | |
| Recommended Rotation speed | 15-25r/min | 15-25r/min | 15-25r/min | 15-25r/min | |
| Air consumption | 1.0Mpa | 15.0m3/min | 15.0m3/min | 22.0m3/min | 22.0m3/min |
| 1.8Mpa | 26.0m3/min | 26.0m3/min | 40.0m3/min | 45.0m3/min | |
| 2.4Mpa | 34.0m3/min | 34.0m3/min | 55.0m3/min | 60.0m3/min | |
| DTH hammer type | HD1120 | HSD12 | HN120 | NH125 | |
| Length(less bit) mm | 1900 | 1880 | 1900 | 1900 | |
| Weight(less bit) kg | 480 | 487 | 485 | 480 | |
| External diameter mm | Φ275 | Φ275 | Φ275 | Φ275 | |
| Bit shank | DHD1120 | SD12 | NUMA120 | NUMA125 | |
| Hole range(mm) | Φ305-445 | Φ305-445 | Φ305-445 | Φ305-445 | |
| Connection thread | API 6 5/8"Reg | API 6 5/8"Reg | API 6 5/8"Reg | API 6 5/8"Reg | |
| Working pressure | 1.0-2.5Mpa | 1.0-2.5Mpa | 1.0-2.5Mpa | 1.0-2.5Mpa | |
| Impact rate at 1.5-1.7Mpa | 16Hz | 16Hz | 16Hz | 16Hz | |
| Recommended Rotation speed | 15-25r/min | 15-25r/min | 15-25r/min | 15-25r/min | |
| Air consumption | 1.0Mpa | 30.0m3/min | 30.0m3/min | 30.0m3/min | 30.0m3/min |
| 1.8Mpa | 56.0m3/min | 56.0m3/min | 56.0m3/min | 56.0m3/min | |
| 2.4Mpa | 78.0m3/min | 78.0m3/min | 78.0m3/min | 78.0m3/min | |
Package and shipping
1. Packing details : Carton box and Wooden box .
2. Handling time for an order
Based on order quantity, normally it takes 15-30 days for production.
Only 2 or 3 days if we have stock on your request size.
3. Shipping way
Sample order: We suggest Express like DHL/UPS/TNT/FEDEX/EMS or by air.
Bulk order: We suggestby sea shipment or by airway cargo.Becuase our product is heavery products.Delivery by sea is more cheap.
Our tools are widelyused in different drilling applications including mining,quarrying, water well drilling, geotechnical industries and etc.
In DTH drilling, the rock drilling bit is a continuation of the shank, which the rock drill piston strikes directly. Since the piston is in direct contact with the drill bit, little energy is lost. This gives DTH drilling a nearly constant penetration rate regardless of hole length.
Competitive Advantage
• High grade tungsten carbide inserts
• Bit bodies manufactured from high grade steel and processed using state-of-the-art CNC machinery and heat treatment
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.