Changsha Sollroc Engineering Equipments Co., Ltd
FOCUS IN MANUFACTURING OF HIGH QUALITY DTH AND RC DRILLING TOOLS.
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Full Size Black Color Water Well Drilling Hammer with Shank SD Series
Product description:
A down-the-hole hammer (DTH hammer) is a tool that can be attached to the end of a drill string and inserted into a bore. It's a small jack hammer used to break hard rock into small particles that can be flushed away by the DTH hammer's air exhaust.
The DTH system, generates clean, truly aligned boreholes at high drilling rates with little operational cost, can drill small diameter holes and deep holes.
Product Advantages:
1. Service and Maintenance are simple.
2. Extensive chip drilling allows for faster drilling with less dust.
3. Hole alignment is improved by using a rigid drill string.
4. The air flowing through the hole ensures efficient flushing and cleaner holes. With the same hammer, you may make a variety of hole diameters.
DTH Hammer specification:
SD series hammer specification
| SD4 | SD5 | SD6 | SD8 | SD10 | SD12 | |
| Length(less bit) | 1084mm | 1175mm | 1261mm | 1463mm | 1502mm | 1880mm |
| Weight (less bit) | 40.5kg | 72.5kg | 100.0kg | 192.0kg | 290.0kg | 487.0kg |
| External diameter | 99mm | 125mm | 142mm | 180mm | 225mm | 275mm |
| Bits shank | SD4 | SD5 | SD6 | SD8 | SD10 | SD12 |
| Bits diameter | 105-135mm 4 1/8" - 5 1/8" | 130-156mm 5 1/8" - 6 1/8" | 152-203mm 6" - 8" | 200-279mm 7 7/8" - 11" | 254-330mm 10" - 13" | 305-381mm 12" - 15" |
| Connection thread | API 2 3/8" Reg | API 3 1/2" Reg | API 3 1/2" Reg | API 4 1/2" Reg | API 4 1/2" Reg API 5 1/2" Reg | API 6 5/8" Reg |
| Air pressure | 1.0-2.5 Map | 1.0-25.Mpa | 1.0-2.5Mpa | 1.0-2.5Mpa | 1.0-2.5Mpa | 1.0-2.5Mpa |
Bit shank selection:
Detailed photos:
Application: