Internal Calipers | McMaster-Carr

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335 Products

Measuring and Inspecting

Inside Hole Calipers

Inside Hole Calipers

Measure hard-to-reach areas, such as internal grooves and slots

Bore Gauges

Insert into a hole and expand the contacts to measure diameter

Calipers

Take inside, outside, and depth measurements with more precision than a ruler

Inside Hole Micrometers

Inside Hole Micrometers

Find the inside diameter of cylinders and rings

Micrometer Check Gauges

Micrometer Check Gauges

Confirm the anvil is parallel and measure the amount of wear on your micrometer

Precision Measuring Tool Kits

Precision Measuring Tool Kits

Multiple precision measuring tools in one convenient case

Depth Micrometers

Depth Micrometers

Measure slots, counterbores, and other holes more precisely than depth gauges

Layout Calipers

Layout Calipers

Adjust the legs to measure an object and transfer those measurements to a tool or part

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)