Reamer Drilling Bits 400mm Trenchless Hole Opener Hard Rock Drill Bit

Product Description

Application formation medium soft with low compressive strength and harder abrasive stringers, such as hard shale, hard gypsolyte, soft limestone, sandstone and dolomite with stringers, etc.

Advantages of hole opener bits
Directional crossing operation is widely used in unexcavated project.Three steps in such operation are:
1.oriented hole operation.2.hole opening. 3.pipe pulling. Hole opening is the onerous task in this operation, but, the key for hole opening operation is the hole opener choosing according to the operation equipment and formation.

Product Description

Brand Name:Sanrock

Product Name:HDD Hole Opener

 Size:152mm ~1800mm

Name:HDD rock reamer hole opener

 Standard:API Standard

 Feature:Fast Speed Drilling

 Teeth:insert button or milled tooth

 Material:High Manganese Steel,

 Bearing type:Elastomer Sealed Bearing,rubber sealed journal bearing

  Formation:soft to medium hard rock formation

 Application:Mining ,Water Well Drilling, Blasthole Drilling, Deep Hole Drilling

Feature:
1.Drillers always drill a smaller hole at first, then enlarger it with hole opener, it is a type of regular drilling technology when the drilling machine is lower power or the end-hole is too bit.
2.We can make the hole opener and solutions according to the hardness of rocks, drilling depth, size of pilot hole, size of end-hole.
3.If fix the tricone bits as the pilot bits, the hole opener will be a rock bits, hole opener with tricone bits as pilot bits is always applicable in special sizes well drilling.
4.The reamer mainly consists of four or more cones.
5.Cutting structure with premium tungsten carbide hard facing or premium tungsten carbide insert of formulas and netechniques is utilized, and increases wear-resistant capability of reamer.
6.The pilot is tricone bit.
7.Seal and lubrication: High-performance HNBR O-ring for bearing seal and advanced grease for lubrication.
8.Product applications: Suitable for the large size well, mining and infrastructure applications.
9.Recommended drilling paramete Please kindly note that the size and number of cones are set. according to customer's requirements.

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FAQ

1.what can you buy from us?
DTH drilling rig,core drilling rig,highway pile driver,solar pile driver ,anchor pile driver
,rotary drill rig ,underground jumbo drill rig ,screw air compressor,DTH hammer,drill rod,
piston air compressor,pneumatic rock drill ,drill bit,tricone bit ,spare parts.

2.How can I make payment?
A:You can pay by credit card, TT, Western Union, LC etc.

3. How is the shipment? How long dose it take?
A: For large quantity or heavy products, we ship by sea shipping or land shipping. Shipping efficiency depends on country and city you want to ship to. For small and delicate products, we ship by DHL, UPS, Fedex or TNT.You can also appoint shipping method you like before we ship.

4.How is your quality control?
A: We have our own experienced QC.There will be strict inspection and testing for every order before shipping out.