Drilling Tools
Fixed Diameter Hole Opener
TIANHE Fixed Diameter Hole Openers are designed for use in soft clays and shales to medium-hard shales and limestones. It is particularly effective in sticky formations where balling problems are encountered. Three jets with replaceable nozzles continuously clean the tool’s cutting structure, clearing debris buildup and increasing penetration.
Technical Data
| Item | Value |
|---|---|
| classification | Drilling Tools |
| source | Tianhe Catalogue / Website |
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