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| counterbore (In machining, a counterbore (symbol: ⌴) is a cylindrical flat-bottomed hole that enlarges another coaxial hole, or the tool used to create that feature.) | |||
| counterbore; spot face | |||
| spotface | |||
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| spot face | |||
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| |||
| counterbore (In machining, a counterbore (symbol: ⌴) is a cylindrical flat-bottomed hole that enlarges another coaxial hole, or the tool used to create that feature.) | |||
| counterbore; spot face | |||
| spotface | |||
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| spot face | |||
