Definition of "mandril" []

• Alternative spelling of mandrel. (noun)

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• "A steel axis, called a mandril, having a pulley attached to the middle of it, is supported at one end either by a conical point, or by a cylindrical collar, and at the other end by another collar, through which it passes."
• "In this process, unless the time of revolution of the mandril is the same as that of the screw which guides the cutting point, the number of threads in a given length will be different."
• "I opened it up with a mandril Saturday night and we'll see how it goes tonight at band rehearsal."