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Hardware & tools
28″ HDD Hole Opener IADC637G Metal-Face Sealed Bearing For Hard Rock Trenchless
<p>Application：Hard formations for high compressive strength, such as sandstone, hard shale, dolomite, hard gypsum, chert, granite, etc.</p><div><br/></div>
SupplierHEJIAN YINRUH DRILL BIT MANUFACTURE CO., LTD.www.yhrockdrill.com
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About this product
Product information from the supplier.
Details
Specifications | |
MAX. DIAMETER | 28"/650~750MM |
Cutter Type | Elastomer sealed bearing cutters for 8 1/2" tricone bit |
IADC | 637 |
Roller Cutter Quantity | 8 |
Thread Connection | NC50/ API REG / IF / Customized |
INSERTEDTEETHTYPE | STAIGHT TEETH/SCOOP/CHESIEL/CONICAL/OVOID |
STABILIZER | DEPEDNINGONCUSTOMIZATION |
The Characteristics of HDD Hole Opener
- High-efficiency rock breaking: Multiple roller cones for combined crushing and shearing, ideal for hard rock formations.
- Stable guidance: Cage-type frame ensures straight hole alignment and minimal deviation.
- Wear resistance: Tungsten carbide/diamond teeth for high impact resistance and long service life.
- Smooth cuttings removal: Open structure with mud circulation prevents clogging.
- Trenchless HDD application: Designed for horizontal directional drilling to expand pilot holes for pipeline installation.
Main parameter of drill reamer
Main parameter of drill reamer, all below parameters could be customized:
Diameter of reamer;
Thread connection;
Shaft OD and length;
Type&Qty of roller cone cutters.
Diameter of stabilizer;
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HEJIAN YINRUH DRILL BIT MANUFACTURE CO., LTD.
