Water Well Drilling Expert Down The Hole Hammer 8 Inch HSD Series
HSD8 for SD8 shank
Future:
1. Deliver maximum energy to drilling bit, fast drilling speed and
low air consumption.
2. Smooth performance and long service life of SOLLROC DTH hammer
due to high quality alloy steel materials and advanced producing
technology.
3. Low problem rate and easy to maintenance due to simple, reliable
and easy assemble and disassemble inner structure of hammer.
4. Interchangeable with DTH bit and drill pipe.
Products specifications:
| Shank | HSD8 |
| Length (less bit) | 1463mm |
| Outer diameter | 185mm |
| Top sub thread | API 4 1/2" REG pin |
| Weight (less bit) | 192kg (422lbs) |
| Hole range | 195mm-254mm |
| Working pressure | 10-25bar |
| Impact rate at 1.7 Mpa | 20Hz |
| Recommended rotation speed | 15-25 r/min |
| Air consumption at 10-24 bar | 530-1200CFM |
DTH bits 1195-254mm for above hammers can be available.
Our HSD serises shank for internationa standard SD shank DTH hammer
specifications:
| DTH hammer type | HSD4 | HSD5 | HSD6 | HSD8 | HSD10 | HSD12 |
| Length(less bit) mm | 1005 | 1175 | 1261 | 1463 | 1502 | 1880 |
| Weight(less bit) kg | 40kg(88lbs) | 72kg(158lbs) | 100kg(220lbs) | 192kg(422lbs) | 290kg | 487kg |
| External diameter mm | Φ99 | Φ125 | Φ146-148 | Φ185 | Φ225 | Φ275 |
| Bit shank | SD4 | SD5 | SD6 | SD8 | SD10 | SD12 |
| Hole range(mm) | Φ110-130mm | Φ135-165mm | Φ155-1-203mm | 195mm-254mm | 254mm-311mm | 305mm-455mm |
| Connection thread | API 2 3/8"Reg | API 2 3/8"Reg | API 2 3/8"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 | 1.0-3.0Mpa | 1.0-3.0Mpa | 1.0-3.0Mpa | 1.0-3.0Mpa |
| Impact rate at 1.5-1.7Mpa | 30Hz | 25Hz | 25Hz | 22Hz | 18Hz | |
| Recommended Rotation speed | 25-40r/min | 25-40r/min | 20-30r/min | 15-25r/min | 15-25r/min | 15-25r/min |
| Air consumption | 1.0Mpa | 6m3/min | 9m3/min | 10m3/min | 15m3/min | 22m3/min | 30m3/min |
| 1.8Mpa | 10m3/min | 15m3/min | 20m3/min | 26m3/min | 40m3/min | 56m3/min |
| 2.4Mpa | 15m3/min | 23m3/min | 28.5m3/min | 34m3/min | 55m3/min | 78m3/min |
The information you may like to know before order:
Quality warranty:
Our hammers are made of high quality steel and all spares are
inspected strictly before shipping. We have quickly responses for
your complaint and suggestion.
Package:
Using ply-wooden cases and pallet for exporting to protect products
and avoid the damagement during transportation. Also we can
customize package according to your special requests.
Production time:
3-4 weeks after received the payment in advance.
Payment term:
T/T, L/C, etc
Transportation:
By air, By Express or By sea according to your requests.
About us:
We are a leading manufacturer of rock drilling tools, like DTH
hammers and bits, DTH drill pipes, RC hammers and bits, tophammer
button bits, coupling, cross bits, drill rods located in Changsha,
Hunan, China.
We have rich experience in this field of DTH hammers and bits for
20 years.
Owing to high quality, professional serivce and competitive price,
we have gotton good reputation from our customer all over the
world, such as Canada, France, Spain, Italy, South Africa,
Australia, Iran, Malaysia, etc.
Products photoes
