Comparators | McMaster-Carr

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50 in·lbf to 99 in·lbf

100 in·lbf to 249 in·lbf

250 in·lbf to 499 in·lbf

500 in·lbf or greater

Dial Indicator Size

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REACH

DFARS Specialty Metals

Exempt

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

Export Control Classification Number (ECCN)

EAR99

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623 Products

Measuring and Inspecting

Variance Indicators

Identify small dimensional differences when checking part quality and alignment

346 products

Height Gauges

Measure an object's height and mark workpieces for machining

14 products

Machine Tool Indicators

Find the exact edge of a workpiece without math or guesswork to quickly align your machining setup

6 products

Squareness Gauges

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

3 products

Surface Finish Gauges

Compare your surface to the swatches to see if you’ve achieved the desired finish

4 products

Optical Comparators

Magnify your part to check for dimensional accuracy and surface defects

19 products

Magnifiers

Workstation, hand-held, headband, and eyeglass magnifiers

6 products

Color Calibrators

Calibrate your color meter to identify colors with precision

1 product

Torque Gauges

Test the accuracy of torque wrenches and screwdrivers

88 products

Torque Gauge Connectors

Replace square-drive connectors on torque gauges

3 products

Torque Sensors

Convert manually applied torque into an electrical signal that you can measure and record

22 products

Fastening and Joining

Socket Adapters

Make your socket more versatile, from converting the drive to limiting torque

2 products

Torque Wrenches

Avoid overtightening and damaging fasteners by applying a specific torque

80 products

Bit Adapters

Connect a variety of bits to drills, powered screwdrivers, ratchet wrenches, and other turning tools

3 products

Torque Screwdrivers

Apply precise torque as you fasten screws to prevent overtightening

27 products