Dials | McMaster-Carr

Filter by

Display Type

Mount Type

System of Measurement

Dial Diameter

Material

Connection Location

Distance Measured

Pipe Size

Measuring Increments

Measurement Unit

Centimeters of Mercury

Kilograms per Square Centimeter

Kilopascals

Millibars

Ounces per Square Inch

Pounds

Pounds per Square Inch

Dial Type

REACH

RoHS

Compliant with Exemptions

Not Compliant

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

Yes

Export Control Classification Number (ECCN)

2B999

EAR99

DFARS Specialty Metals

Thread Type

Maximum Temperature

Manufacturer

Graduations

For Use With

Maximum Pressure

1,000 psi to 1,999 psi

2,000 psi to 2,999 psi

3,000 psi to 9,999 psi

10,000 psi or greater

Less than 10,000 kPa

10,000 kPa to 19,999 kPa

20,000 kPa to 29,999 kPa

30,000 kPa to 99,999 kPa

100,000 kPa or greater

Gender

Dial Indicator Type

Scale Type

Measures

Differential Pressure

5,583 Products

Most Likely Products

Variance Indicators

Identify small dimensional differences when checking part quality and alignment

228 products

Indicating Knobs

Control devices and view settings at a glance

89 products

All Results

Measuring and Inspecting

Variance Indicators

Identify small dimensional differences when checking part quality and alignment

228 products

Variance Indicator Hole Attachments

Fasten to variance indicators to measure inside holes and around obstructions

1 product

Variance Indicator Backs

Replace the back on your variance indicator

21 products

Variance Indicator Clamps

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

61 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 Depth Base Attachments

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

7 products

Variance Indicator Contact Points

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

123 products

Protractors

Set bevels and measure angles with everything from pocket-size to long-arm protractors

17 products

Calipers

Take inside, outside, and depth measurements with more precision than a ruler

43 products

Thickness Gauges

Move the thumb lever to quickly check the thickness of flat stock, pipe, or tubing

10 products

Rotary Switches

Control multiple devices with a single switch

13 products

Bore Gauge Calibrators

Set and check the accuracy of two-point bore gauges

1 product

Height Gauges

Measure an object's height and mark workpieces for machining

10 products

Bore Gauges

Insert into a hole and expand the contacts to measure diameter

33 products

Outside Micrometers

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

2 products

Flatness Gauges

Determine if the flatness of surface plates, lapping plates, and other surfaces is within tolerance

3 products

Go/No-Go Outside Diameter Gauges

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

20 products

Depth Gauges

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

4 products

Chamfer Gauges

Check the diameter of chamfered edges to make sure they're within tolerance

8 products

Squareness Gauges

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

3 products

Countersink Gauges

Catch sizing errors in countersunk holes to keep fasteners from protruding and creating weak points

19 products

Precision Measuring Tool Sets

Multiple precision measuring tools in one convenient case

8 products

Variance Indicator Collets

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

4 products

Humidity Meters

Measure relative humidity without complex calculations

1 product

Thermometers

Monitor temperature in tanks, pipes, control panels, and other equipment

246 products

Shaft Alignment Kits

Confirm that shafts are aligned or measure the degree of their misalignment

3 products

Fuel Injection Pressure Testers

Check fuel injection pressure to maintain your car's gas mileage

Tire Pressure Test Gauges

Calibrate the accuracy of tire pressure and tire inflation gauges

1 product

Scales

Bench-top, hanging, floor, and conveyor scales

22 products

Building and Machinery Hardware

Indicating Knobs

Control devices and view settings at a glance

89 products

Fluid Handling

Pressure Gauges

Measure pressure in pumps, filters, regulators, and process lines

279 products

Pressure Test Gauges

Check and calibrate pressure gauges, transmitters, and equipment to maintain accuracy

512 products

Vacuum Test Gauges

Verify that equipment is taking accurate vacuum measurements

8 products

Vacuum Gauges

Take vacuum readings in pumps, packaging equipment, and suction lines

118 products

Differential Pressure Gauges

Display the difference in pressure between two points in your air and fluid systems

92 products

Differential Pressure and Vacuum Gauges

Show changes in pressure and vacuum to monitor fans, blowers, and filters

14 products

Pressure and Vacuum Gauges

Measure pressure and vacuum in air and fluid lines, pumps, and refrigeration systems

240 products

Electrical Power, Networking, and Controlling

Potentiometers

Control speed, volume, and light intensity by varying electrical flow; also known as rheostats

4 products

Battery Switches

Turn the knob to alternate between two batteries without interrupting power

1 product

Lever Switches

Grip and twist the lever to turn circuits on and off, preventing accidental actuation

130 products

Lever Actuators

Pair with a contact block to create a custom lever switch

20 products

Limit Switches

Turn equipment on or off when objects touch the actuator; often used for conveyors and bin filling

4 products