What Is the Difference Between Screw Gauge and Vernier Caliper?

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A Screw Gauge is like an axe and a Vernier Caliper is like a gun.

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A Screw Gauge can be used for external measurement whereas a Vernier Caliper is used for internal and external measurement.

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The Screw Gauge has a screw to measure and the Vernier Caliper has clippers for measurements.

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The Screw Gauge has a circular scale and the Vernier Caliper has a vernier scale.

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The least count of a Screw Gauge is 0.001 mm and of a Vernier Caliper is 0.01 mm.

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The Screw Gauge rotates to measure the objects whereas the Vernier scale slides to record the measurements.

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The two scales of a Screw Gauge are the main and circular scale, for a Vernier Caliper the two scales are the main and vernier scale.

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The measurements from a Screw Gauge are more precise when compared to the measurements of a Vernier Caliper.

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