Changsha Chaojingang machinery manufacturing CO., Ltd
| Packaging Details | Fixed plastic mold + carton + wooden box |
| Delivery Time | 5-8 work days |
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | According to order quantity |
| Applications | Mining, Rock Drilling, Blasting Hole Drilling |
| Material | Alloy Steel |
| Processing Type | Carburizing Treatment, Fully Carburization |
| Advantage | High-efficiency |
| Service | Customized Products Upon Abandoned Bit Condition |
| Use | Well Drilling |
| Type | dth odex bit |
| Model Number | HD35 |
| Place of Origin | China |
| Brand Name | Super Diamond |
| Certification | ISO |
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Product Specification
| Packaging Details | Fixed plastic mold + carton + wooden box | Delivery Time | 5-8 work days |
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability | According to order quantity |
| Applications | Mining, Rock Drilling, Blasting Hole Drilling | Material | Alloy Steel |
| Processing Type | Carburizing Treatment, Fully Carburization | Advantage | High-efficiency |
| Service | Customized Products Upon Abandoned Bit Condition | Use | Well Drilling |
| Type | dth odex bit | Model Number | HD35 |
| Place of Origin | China | Brand Name | Super Diamond |
| Certification | ISO | ||
| High Light | overburden drilling systems ，casing drilling system | ||
Odex Drilling / Simultaneous Casing Drilling
ODEX is an excellent option when unconsolidated formations are too dense or cobbly for Auger Drilling. ODEX is a down-hole air hammer system that is designed to advance casing during drilling. Once a desired depth is reached they eccentric bit can be retrieved leaving the casing in place for sampling or installations.
Overburden Casing Drilling System DTH Bit is very popular in international water well and ore drilling field.
Features
Hardening treatment of the part's surface
with longer operating life and excellent anti - wear properties.
Structural optimization
Strengthen the structural strength, easy to operate
Superior performance
Stable and reliable performance, high drilling speed
Application Range:
It is suitable for drilling water wells, geothermal wells, short mircopiles, medium mini-type grouting hole of building, dam and harbour project.
1. When drilling starts, the reamer swings out and reams the pilot-hole wide enough for the casing tube to slide down behind the drill bit assembly
2. When the required depth is reached, rotation is reversed carefully, whereupon the reamer swings in, allowing the drill bit assembly to be pulled up through the casing.
3. Casing tubes that are to be left in the drill hole should be sealed at the bottom of the hole by means of cement grout or some other sealing agent.
4. Drilling continues to the desired depth in the bedrock using a conventional drilling.
| Outer Dia.(A) mm | Outer Dia.(A) mm | Inner Dia.(B) mm | The Max Wall Thickness | Reamed Dia.(C) mm | Inner Dia. of Casing Shoe(D) mm | Inner Dia. Of casing shoe that pilot bit can pass through | Type of Hammer Recommended | Hammer Type(E) | Drill Pipe mm |
| CEC108-CD35-84 | 108 | 96 | 6 | 118 | 86 | 84 | CD35 | DHD3.5 QL30 | 76 |
| CEC114-CD35-90 | 114 | 102 | 6 | 123 | 92 | 90 | CD35 | DHD3.5 QL30 | 76 |
| CEC127-CD45-97 | 127 | 109 | 9 | 138 | 99 | 97 | CD45 | DHD340A QL40 | 76 |
| CEC140-CD45-115 | 140 | 128 | 6 | 152 | 117 | 115 | CD45 | DHD340A QL40 | 76 |
| CEC168-CD55-140 | 168 | 156 | 6 | 185 | 142 | 140 | CD55 | DHD350R QL50 | 76/89 |
| CEC178-CD55-146 | 178 | 158 | 10 | 195 | 148 | 146 | CD55 | DHD350R QL50 | 76/89 |
| CEC183-CD55-150 | 183 | 163 | 10 | 200 | 152 | 150 | CD55 | DHD350R QL50 | 76/89 |
| CEC194-CD65-165 | 194 | 180 | 7 | 209 | 167 | 165 | CD65 | DHD360 QL60 | 89/114 |
| CEC219-CD65-190 | 219 | 205 | 7 | 237 | 192 | 190 | CD65 | DHD360 QL60 | 89/114 |
| CEC245-CD85-208 | 245 | 225 | 10 | 264 | 210 | 208 | CD85 | DHD380 QL80 | 114 |
| CEC273-CD85-240 | 273 | 259 | 7 | 308 | 242 | 240 | CD85 | DHD380 QL80 | 114 |
| CEC325-CN100-280 | 325 | 305 | 10 | 358 | 282 | 280 | CN100 | NUMA100 SD10 | 114 |
Our company has passed and strictly implemented the ISO9001, 2008 quality management system, has independent import and export rights, obtained a number of product invention patents, won the Alibaba special contribution award, Hunan Network Chamber of Commerce vice president unit, A, hardware tools industry top ten excellent network operators, 315AAA quality service integrity units and other honors.
Company Details
Business Type:
Manufacturer
Employee Number:
>100
Ecer Certification：
Active Member
Changsha Chaojingang machinery manufacturing Co., Ltd is a modern high-tech enterprise, which is specialized in researching and manufacturing rock drilling machine and pneumatic tools. The company has rich experiences for scientific research and production. It produces prime pro... Changsha Chaojingang machinery manufacturing Co., Ltd is a modern high-tech enterprise, which is specialized in researching and manufacturing rock drilling machine and pneumatic tools. The company has rich experiences for scientific research and production. It produces prime pro...
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