Dial Depth Gages

Dial depth gages measure various things, including the outside diameter, inside diameter, and depth of holes. They can measure the length of cylindrical objects turned on a lathe or similar machine.

Machinists can use dial depth gages to make sure that parts they produce meet their specifications. Engineers can also use them to check the dimensions of parts they’ve designed.

Typically, the can adjust to fit into a particular size hole or slot without causing damage. This makes them ideal for checking whether holes or slots are adequately deep enough for whatever part needs to go through them (such as a bolt). They’re also useful for measuring how deep holes need to be for bolts or other fasteners to go through them.

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