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Specialize Hole Opener, reamer, equipe the HDD projects professionally
42'' Hole Opener
Horizontal Hole Openers, also known as HDD Reamers, are used to enlarge the pilot hole in
Horizontal Directional Drilling(HDD) - HDD is used when trenching and excavating is not practical.
This drilling technology allows for a steerable trenchless way to drill underground.
There are three stages:
1>the first stage is to drill a small diameter pilot hole.
2>The second stage is enlarge the hole with a larger diameter cutting tool called an HDD Reamer,
Rock Reamer or Hole Opener.
3>The third stage is inserting the casing pipe or other product into the enlarged hole.
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Model
                      Button/Insert Tooth Tricone Bits  Â
                      Steel/Milled Tooth Tricone Bits
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IADCÂ CODEÂ 116Â 117Â 12Â 6127Â 136Â 137Â 216Â 217Â 226Â 226Â 316Â 317Â 326Â 327Â 336Â 337Â 115Â 125Â 135Â 215Â 225Â 235Â 315Â 325Â 335Â 114Â 124Â 214Â 314Â 111Â 121Â 131Â 346Â 347
417Â 427Â 437Â 517Â 527Â 537Â 617Â 627Â 637Â 737Â 837Â 832Â 415Â 425Â 435Â 445Â 525Â 625Â 635Â 416Â 427Â 436Â 446Â 447Â 516Â 526Â Â 537Â 547Â 516Â 536Â Â 535
available sizes:
From 2 7/8 to 26"
larger sizes for hole opener bit ,reamer bit
advantage
most favourable price and best qualtity
bearing type:
sealed bearing and non-sealed bearing
HJ(metal sealed journal bearing) Â
HA (rubber sealed journal bearing
aircooled bearing type
Formation or layerÂ
soft ,medium soft ,hard,medium hard,very hard formation
Button size (extra features)
Button bit,saw teeth
1) Y-Conical teeth  2) X-chisel teethÂ
3)K- wide teethÂ
4)G- Gague protection
Material
Alloy steel ,carbide
Packing
Wooden case or steel case
Payment terms
T/T,L/C,Western union
Delivery terms
By sea or by air
Delivery time
Within 3 to 7 days
Market
Canada, USA,Middle east ,Africa,Europe
Application
petroleum&gas ,water well ,mining and tectonic industries ,oil field, construction, geothermal, directional boring, and underground foundation work
Roller Hole Opener TCI Tricone Rotary Bits Water Well Drilling
Model NO.: 537
Condition: New
IADC: All
Customersized: Yes
Size: All
Color: Blue
Transport Package: Wooden
Specification: SGS
Origin: Hebei
HS Code: 82071990
Specifications