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Home > Education >Calipers Information

What’s an inside caliper?

Inside calipers are used to measure the diameter of holes, and the width of keyways and slots. The spring-joint style caliper is constructed similarly to the outside caliper, with straight legs and a very short outward curve at the end. An inside caliper is being set to the hole size .This inside caliper setting can be accurately read by using an outside micrometer.