Product Details:
Payment & Shipping Terms:
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| Material: | Tungsten Carbide And High Quality Carbon Steel | Processing Type: | CNC Milling And Proprietary Heat Treatment Process |
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| Use: | Tunneling, Mining,Quarrying,Construction | Application: | Tunneling,piling,water Well,blasting,quarrying,concrete Drilling |
| Type: | Down The Hole Hammer | Series: | COP, MISSION, SD, DHD,QL |
| Bit Diameter: | 130-152MM | Color: | Green, Black And Demaned By Customer |
| High Light: | 5 Inch DTH Hammers,DHD350 DTH Hammers |
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DHD350 DTH Hammer High Middle Air Pressure Hammer Trustworthy Drilling Tool 5 Inch Hammer
Describtion
KSQ DTH hammer include high air pressure and low air pressure two series,with advanced design concept, better wear-resistance,better impact-resistance, higher drilling speed, longer service life, widely used in large-scale open pit mining, quarry and other large-scale construction projects.
| Product name | DHD350 hammer down the hole hammer and rock drill bits |
| Details |
1, Material : Element Six Tugestun Carbide + Top quality Alloy Steel 2, Workmanship : Hot pressed & Cold pressed 3, Advantage : Quality can compare with world's famous brand . |
| Application | Water Well , Mining , Quarrying , Construction . |
| Shank type | DHD , QL , SD , TD , MISSION , MD , W , COP , MACH , CIR , BR ,MACH , etc . |
| Working pressure | Low air pressure : 5-7bar . High air pressure : 7-35bar |
| Button bit type | Hemispherical & Parabolic & Conical & Ballistic |
| Face type | Flat front & Convex & Concave & DGR face |
| Top sub thread | 2-3/8" , 3-1/2" , 4-1/2" API reg pin |
Specification
| 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 | |
Advantages
| dth hammer: | dth hammer spare parts |
| More efficient energy transfer. | Valveless air distribution. More reliable. |
| Faster drilling speed, 15%-30% higher than others. | Simple design of the piston, long life |
| Lower air consumption and lower oil consumption. oil consumption is about 10% lower than others | Fewer internal parts, simple structure, longer life, less failure and easier to maintain because all the parts are heat treated. |
| Direct factory price | Easy to disassemble because the top sub, the drive chuck and the external cylinder are connected by multi-step thread. |
Applications
• Underground mining
• Quarry benching operations
• Water well drilling
Warranty of dth hammers:
In the early use if the dth hammer, rupture appears on parts such as external cylinder, piston and drive chuck ect. the broken parts can be compensated according to the situation.
Packaging & Shipping:
Internal package : By carton box with foam ,one pc dth hammer per carbox
External package: By wooden box, one pc dth hammer per wooden box.
Round-sealed package can prevent damaging during delivery.
Delivery ways of dth hammers:
Sample order can delivery by Air or International express, such as DHL, UPS, Fedex, ect.
Batch orders can delivery by Air , By truck or by Sea
We can choose most favorable delivery ways for our customers
Contact Person: Mr. Yingkai Zhang
Tel: +86 18501231988
