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FACTORY:Junziguan,Shijingcun Town, Hejian City , Hebei Province , China

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40 Inches HDD Horizontal Directional Drilling Hole Opener

Summary information
Affiliate classification

40 Inches HDD Horizontal Directional Drilling Hole Opener

Products Speification
Size  40"

Cutter Type

Metal-face sealed bearing cutters for 12 1/4" tricone bit
IADC 637
Roller Cutter Quantity 8
Overall Length(mm) 1800
Thread Connection NC31(Customized)
Operating Parameters
Application Hard formations for high compressive strength,such as sandstone,hard shale,dolomite,hard gypsum,
chert, granite,etc.    

Solidkey services for clients who works in HDD hard rock and difficult conditions drilling since 2009, we are preparing well to work at any time and any places.

Regular procedure for hole opener:

Step 1: Drill a pilot hole

We offer metal-face and elastomer sealed bearing tricone pilot bits, regular sizes includes 5 1/2", 6", 6 1/2", 7 1/2", 7 7/8", 8 1/2", 9 1/2", 9 7/8", etc.

Step 2: Enlarge the pilot hole, step by step, with different hole openers from small to big.

You can expand the pilot hole by 4" one stage(for example, from 12" to 16" to 20",etc) or 6" one stage(for example, from 12" to 18" to 24",etc).

Solidkey HDD pilot bit and hole opener specializes in drilling hard rocks, it can drill any type of rock conditions. If you have specific need of the hole opener, tell us please, we are preparing well to offer the most cost-effective solutions.


Oil/Gas Well Drilling   .Water Well Drilling   .HDD(Trenchless)   .Foundation Piling
 Our Mission:
 Lower the cost of
 Who we are:
 To extract sources of energy underground.  
 To extract the water underground.
 To install pipelines underground with No-Dig. 
 To pile foundation for constructions.
 We are one of the people who makes above easier. 
 Let’s work together and enjoy this job.
A face-to-face meeting is welcomed in below exhibitions, including OTC , Bauma Germany/    China, No-Dig Shows, etc.
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