Comparators | McMaster-Carr

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Mounting Stem Diameter

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Base Mount Type

For Surface Type

Number of Swatches

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RoHS Compliance

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Unit of Measure

Maximum Torque

Dial Face Color

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Manufacturer Model Number

REACH Compliance

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Torque

Contact Point Mounting Thread Size

USMCA Qualifying

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DFARS Compliance

Measuring Functions

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548 Products

Measuring and Inspecting

Variance Indicators

Variance Indicators

Identify small dimensional differences when checking part quality and alignment

Machine Tool Indicators

Machine Tool Indicators

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

Height Gauges

Measure an object's height and mark workpieces for machining

Squareness Gauges

Squareness Gauges

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

Surface Finish Gauges

Surface Finish Gauges

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

Torque Gauges

Test the accuracy of torque wrenches and screwdrivers

Torque Gauge Connectors

Torque Gauge Connectors

Replace square-drive connectors on torque gauges

Torque Sensors

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

Color Calibrators

Color Calibrators

Calibrate your color meter to identify colors with precision

Fastening and Joining

Socket Adapters

Socket Adapters

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

Torque Wrenches

Torque Wrenches

Avoid overtightening and damaging fasteners by applying a specific torque

Bit Adapters

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

Screwdrivers

Tighten and loosen screws

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