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Dhd340 Rock Drilling Dth Button Bits Eccentric Overburden Casing System Odex Drill

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Dhd340 Rock Drilling Dth Button Bits Eccentric Overburden Casing System Odex Drill

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

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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

Dhd340 Rock Drilling Dth Button Bits Eccentric Overburden Casing System Odex Drill

Dhd340 Rock Drilling Dth Button Bits Eccentric Overburden Casing System Odex DrillDhd340 Rock Drilling Dth Button Bits Eccentric Overburden Casing System Odex DrillDhd340 Rock Drilling Dth Button Bits Eccentric Overburden Casing System Odex DrillDhd340 Rock Drilling Dth Button Bits Eccentric Overburden Casing System Odex DrillDhd340 Rock Drilling Dth Button Bits Eccentric Overburden Casing System Odex DrillDhd340 Rock Drilling Dth Button Bits Eccentric Overburden Casing System Odex Drill


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