| Customization: | Available |
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| Customized: | Customized |
| Standard: | AISI, API, AISI, API, GB |
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The cutting structure of the Big Hole Opener typically features multiple cones. These cones are extracted from tri-cone bits and welded together to form a new large-diameter bit. The pilot bit used is a three-cone bit. Available in various sizes like 28", 32", 36", 38", etc., custom diameters can also be accommodated, with a maximum size of 1600mm.
The manufacture process of roller cone and axle and axle box which are welding together according to desgin .
F.A.Q |
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