| 摘要 |
A threading tool for repairing, in situ, threads within a bore of a head of an internal combustion engine without the danger of particulate waste falling into the engine housing. The threading tool can be used separately or in combination with a reaming tool for deburring, in situ, rough edges generally at the crest of threads within a bore of a head of an internal combustion engine without the danger of particulate waste falling into the engine housing.
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