Wholesale 18 Inches HDD Rock Reamers IADC637G Metal-face Sealed Bearing For No-Dig in the stock from China factory
Metal-face sealed bearing tricone bit thirds (1/3 of tri-cone bits) is popular in deep oil well drilling, the perfect quality makes it be perfect performance in HDD rock reamers ( HDD hole opener ) field, the roller cone cutters has very long working life in long distance crossing, arm-back is covered with Tungsten Carbide Inserts.
Size |
18" |
Cutter Type |
Metal-face Sealed Bearing Cutters For 8 1/2" Tricone Bit |
IADC |
637G |
Roller Cutter Quantity |
5 |
Overall Length(mm) |
1400 |
Thread Connection |
NC31(Customized) |
The Hole Opener Advantage
Straighter Holes - By drilling a smaller hole with a "pilot" bit, then attaching that said bit onto the bottom of the the hole opener. The hole opener will follow the path of the hole drilled by the smaller bit.