Micrometers provide accuracy to the thousandths of an inch and come in outside and inside varieties. An outside micrometer is used to measure outside thickness, such as the diameter of a bolt, while an inside micrometer is used to measure the inside dimension of an object, such as the diameter of the hole of a nut or the width of a channel.
What is a micrometer used for?
measuring length around corners |
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ensuring that a surface is level |
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measuring the diameter of cylindrical objects with high precision |
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transferring dimensions between objects |