Description
Specifications
*4" HDD Rock Reamer hole opener
Size: from **5mm to ***0mm
Certifi: ISO&API
Seal type:Metal/Rubber
Material:Carbide
*4" HDD Rock Reamer hole opener
Hole Opener,Assemble drill bit
The reamer bits mainly consists of more than 3 cones.cutting
structure with premium tungsten carbide hardfacing o premium
tungsten carbide insert of formulas and new techniques is
utilized,and increases wear-resistance capacibility of reamer.
1.Main sizes: Generally bit diameters:
**1mm,**6mm,**0mm,**0mm,**0mm and so on, all sizes could be
customized by requirements.
2.Application: Hole opener can enlarge a small well hole to bigger
diameter in construction field,bridge construction,super highway
construction,railway construction etc. This kind of bits are
suitbale for different complex
formation,shales,limestone,cobblestone and so on.
3.Cutting structure: the hole opener always have multi-cones.Bit
cones are splited from tricone bits and welded to bulid a big
diameter bit, the pilot is attched with hole opener.
