Hole Gauges | McMaster-Carr

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586 Products

Measuring and Inspecting

Plug Gauges

Verify the diameter or threads of machined holes in finished parts; also called pin gauges

Bore Gauges

Insert into a hole and expand the contacts to measure diameter

Depth Gauges

Reach into slots, counterbores, and other holes to measure depth

Inside Hole Calipers

Inside Hole Calipers

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

Inside Hole Micrometers

Inside Hole Micrometers

Find the inside diameter of cylinders and rings

Depth Micrometers

Depth Micrometers

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

Micrometer Check Gauges

Micrometer Check Gauges

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

Feeler Gauges

Check gaps and alignment between machine parts and other surfaces

Fastening and Joining

Tungsten Electrode Stick-Out Gauges

Tungsten Electrode Stick-Out Gauges

Measure the distance tungsten electrodes stick out from your nozzle for consistent TIG welding

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