Test Indicators | McMaster-Carr

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609 Products

Measuring and Inspecting

Variance Indicators

Identify small dimensional differences when checking part quality and alignment

264 products

Variance Indicator Holders

Position and hold variance indicators in place for accurate readings

52 products

Variance Indicator Clamps

Secure and position indicators, arms, and other components on holders

61 products

Variance Indicator Hole Attachments

Fasten to variance indicators to measure inside holes and around obstructions

1 product

Variance Indicator Depth Base Attachments

Insert the stem of your variance indicator to convert it into a depth gauge

7 products

Variance Indicator Contact Point Adapters

Convert variance indicators to work with inch-size contact points or measure hard-to-reach spots

3 products

Variance Indicator Holder Posts

Connect holder bases to clamps to hold variance indicators

5 products

Variance Indicator Contact Points

Attach to your variance indicator to make contact with the workpiece being measured

123 products

Inside/Outside Diameter Gauges

Mount your variance indicator to measure the diameter of rims, grooves, and shallow holes

2 products

Go/No-Go Outside Diameter Gauges

Snap on rods and shafts to check if their outside diameters are within tolerance

16 products

Outside Micrometers

Apply even pressure to objects to measure thickness more precisely than thickness gauges

4 products

Variance Indicator Collets

Hold the stem of plunger-style indicators for custom mounting jobs, such as creating depth gauges

4 products

Squareness Gauges

Check frames and machined parts to see if they are leaning or uneven

3 products

Containers, Storage, and Furniture

Variance Indicator Cases

Specially fitted to store and transport variance indicators

6 products