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| Categories | DTH Drill Bits | 
|---|---|
| Brand Name: | MIROC | 
| Model Number: | DHD 340 | 
| Certification: | ISO | 
| Place of Origin: | China | 
| MOQ: | 1 | 
| Price: | negotiation | 
| Payment Terms: | L/C, D/A, D/P, T/T, Western Union, MoneyGram | 
| Supply Ability: | 2000pcs per month | 
| Delivery Time: | 15-20days | 
| Packaging Details: | wooden box or carbon box | 
| type: | Odex drill bit | 
| Material: | Carbon steel | 
| Use: | Well Drilling | 
| Application: | Coal Mining,Quarry drilling,DTH drilling | 
| Diameter: | 115mm | 
| Machine type: | Drilling Tool | 
| Company Info. | 
| KSQ Technologies (Beijing) Co. Ltd | 
| Verified Supplier | 
| View Contact Details | 
| Product List | 
Rock Drilling Eccentric Overburden Casing System Odex Drill DTH Button Bit
Description
ODEX/Eccentric equipment enables you to drill and case deep holes
simultaneouslyin all types of formation, even those with large
boulders.
The method is based on a pilot bit and eccentric reamer, which
together drill a hole slightly larger than the external diameter of
the casing tube. This enables the casing tube to follow the drill
bit down the hole.
When using ODEX, part of the impact energy is diverted to the
casing tube via a shoulder on the guide device, which in turn
impacts a special casing shoe at the lower end of the casing.
Quality warranty:
Our products are made of high quality steel and all spares parts
are inspected strictly before shipping.
Specification
| Product code | OD(A) casing | ID(B) casing | Wall thickness | Reamed Dia (C) | ID(D) casing Shoe | Max dia. of Pilot bit | Hammer | Drill pipe | 
| 108-HD35-84 | 108 | 96 | 6 | 118 | 86 | 84 | DHD3.5 QL30 | 76 | 
| 114-HD35-90 | 114 | 102 | 6 | 123 | 92 | 90 | DHD3.5 QL30 | 76 | 
| 127-HD45-115 | 127 | 109 | 9 | 138 | 99 | 97 | DHD340A QL40 | 76 | 
| 140-HD45-115 | 140 | 128 | 6 | 152 | 117 | 115 | DHD340A QL40 | 76 | 
| 168-HD55-140 | 168 | 156 | 6 | 185 | 142 | 140 | DHD350R QL50 | 76/89 | 
| 178-HD55-146 | 178 | 156 | 10 | 195 | 148 | 146 | DHD350R QL50 | 76/89 | 
| 183-HD55-150 | 183 | 163 | 10 | 200 | 152 | 150 | DHD350R QL50 | 76/89 | 
| 194-HD65-165 | 194 | 180 | 7 | 209 | 167 | 165 | DHD360 QL60 | 89/114 | 
| 219-HD65-190 | 219 | 205 | 7 | 237 | 192 | 190 | DHD360 QL60 | 89/114 | 
| 245-HD85-208 | 245 | 225 | 10 | 264 | 210 | 208 | DHD380 QL80 | 114 | 
| 273-HD85-240 | 273 | 259 | 7 | 308 | 242 | 240 | DHD380 QL80 | 114 | 
| 323-HN110-280 | 323 | 303 | 10 | 358 | 282 | 275 | NUMA100 SD10 | 114 | 







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