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| Price | $3-$300 |
| MOQ | 1 Piece |
| Delivery Time | 10-15 days |
| Brand | MTH |
| Place of Origin | CHINA |
| Certification | ISO9001 |
| Model Number | DHD 3.5 |
| Packaging Details | wooden case |
| Payment Terms | T/T, Western Union, MoneyGram |
| Supply Ability | 10000 pieces per month |
| Place of Origin | CHINA | Size | 3 - 12 inches |
| Packaging Details | wooden case | Color | Blue,Gold,Red,blue or customized |
| Hole range | 155mm-190mm | Material | Carbon Steel,Tungsten Carbide & Steel |
| Model Number | DHD 3.5 | Supply Ability | 10000 pieces per month |
| Certification | ISO9001 | Brand Name | MTH |
| Payment Terms | T/T, Western Union, MoneyGram | Advantage | High Performance,High Wear Resistant,High-efficiency |
| Price | $3-$300 | Delivery Time | 10-15 days |
| Product name | DTH Hammer | Machine type | Drilling Tool,Drilling Equipment |
| Connect thread | API 2 3 / 8 REG | Minimum Order Quantity | 1 Piece |
| Application | Rock Drilling,quarry,water well drilling,mining or welling drilling | Diameter | 3 inches ( 76mm ) |
Application:
Be used for drilling in mining, quarrying, exploration, water-well, geothermal, and construction / geotechnical projects
Description:
“DTH” is the short for “Down The Hole” and sometimes it is also called “RAB” in some markets, “RAB” is short for “Rotary Air Blasting”.
Specifications:
|
Technical Data |
|||||
|
Length(Without Bit) |
930mm |
1030mm |
1214mm |
1160mm |
1248mm |
|
Weight(Without Bit) |
25.00 kg |
39.00 kg |
76.50 kg |
72.50 kg |
100.00 kg |
|
External Diameter |
82mm |
99mm |
126mm |
126mm |
142/144/146/148mm |
|
Bit Shank |
DHD3.5 |
COP44/DHD340 |
COP54/DHD350R |
ND55C/DHD350Q |
COP64/DHD360 |
|
Hole Range |
90-110 mm |
110-135 mm |
135-155 mm |
135-155 mm |
155-190 mm |
|
Connect ion Thread |
API 2 3/8”Reg |
API 2 3/8”Reg |
API 2 3/8”Reg API 3 1/2”Reg API 2 7/8”Reg |
API 2 3/8”Reg API 3 1/2”Reg API 2 7/8”Reg |
API 3 1/2”Reg
|
|
Working Pressure |
1.0- 1.5 Mpa |
1.2-2.0 Mpa |
1.3-2.3Mpa |
1.3-2.3 Mpa |
1.5-2.5 Mpa |
|
Inpact Rate at 17 Bar |
28HZ |
27HZ |
25HZ |
25HZ |
23HZ |
|
Reccfurended Rotation Speed |
25-40 "min |
25-40 r/min |
20-35 r/min |
20-35 r/min |
20-30 r/min |
|
Air Consunption |
1.0Mpa :4.5 m3/min |
1.0Mpa :6m3/min |
1.0Mpa:9 m3/min |
1.0Mpa:9m3/min |
1.0Mpa :10 m3/min |
|
1.5Mpa:9.0m3/min |
1.8Mpa:10m3/min |
1.8Mpa:15m3/min |
1.8Mpa:15m3/min |
1.8Mpa:20m3/min |
|
|
|
2.4Mpa:15m3/min |
2.4Mpa:23m3/min |
2.4Mpa:23m3/min |
2.4Mpa:28.5m3/mi |
|
Package:
Wooden case
Advantage:
1. superior alloy steel and robust design.
2. saving oil
3. 10%-20%lower air consumption
4. 15%-20% faster penetration than conventional DTH hammer
5. wording pressure 6 Bar to 35 Bar(0.6~ 3.5Mpa)
