Metric Thread Gauges | McMaster-Carr

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1A995

2B999

EAR99

DFARS Specialty Metals

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0.2000 mm to 1.2800 mm

0.201 mm

0.2100 mm to 1.2900 mm

0.2200 mm

0.2200 mm to 1.5000 mm

0.2300 mm

0.2300 mm to 1.5100 mm

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2,919 Products

Most Likely Products

Thread Size Identifiers

Confirm your fastener's thread size, pitch, or threads per inch

21 products

Plug Gauges

Verify the diameter or threads of machined holes in finished parts; also called pin gauges

323 products

Pressure Gauges

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

9 products

All Results

Measuring and Inspecting

Thread Size Identifiers

Confirm your fastener's thread size, pitch, or threads per inch

21 products

Plug Gauges

Verify the diameter or threads of machined holes in finished parts; also called pin gauges

323 products

Ring Gauges

Confirm your workpiece's outer diameter or external threads are within tolerance

304 products

Ring Gauge Holders

Keep ring gauges still to measure cylindrical parts or threads quickly and repeatedly

11 products

Flatness Gauges

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

3 products

Calipers

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

174 products

Variance Indicators

Identify small dimensional differences when checking part quality and alignment

166 products

Feeler Gauges

Check gaps and alignment between machine parts and other surfaces

98 products

Thickness Gauges

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

34 products

Depth Gauges

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

50 products

Height Gauges

Measure an object's height and mark workpieces for machining

39 products

Gear Tooth Gauges

Identify your gear's pressure angle, pitch, and module

2 products

Drill Bit Size Gauges

Match your drill bit to one of the holes to confirm its size

1 product

Outside Micrometers

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

107 products

Gauge Blocks

Confirm dies, fixtures, and other workpieces meet precise tolerances and calibrate measuring tools

193 products

Bore Gauges

Insert into a hole and expand the contacts to measure diameter

49 products

Tape Measures

Standard, long, center-finding, and flexible tape measures

72 products

Depth Micrometers

Measure slots, counterbores, and other holes more precisely than depth gauges

23 products

Rulers

Horizontal, vertical, circumference, center-finding, and pica rulers

235 products

Inside Hole Micrometers

Find the inside diameter of cylinders and rings

9 products

Inside Hole Calipers

Measure hard-to-reach areas, such as internal grooves and slots

12 products

Variance Indicator Contact Points

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

37 products

Micrometer Heads

Mount on jigs, fixtures, and machine tools to position equipment and measure length

28 products

Radius Gauges

Check convex and concave radii of tools, patterns, and dies

5 products

Pipe Size Chart/Rulers

Curl around pipe to gauge its size, measure its diameter, or mark lines

3 products

Bore Gauge Calibrators

Set and check the accuracy of two-point bore gauges

1 product

Diameter Identifiers

Tighten the strap around rods, drill bits, and other small items to measure outer diameter

1 product

Map Distance Measuring Tools

Slide across maps and blueprints to measure distances

4 products

Step Gauges

Check step height, gap width, and distance between slots to make sure machine and engine parts align

5 products

Measuring Wheels

Roll along surfaces to measure distance

8 products

Threaded Hole Location Gauges

Pinpoint the true center of threaded holes to precisely align and measure parts

31 products

Grind Gauges

Measure how smoothly paint, coatings, and other mixtures are blended

5 products

Variance Indicator Caps

Cover and color-code the spindle on your variance indicator

1 product

Height Gauge Calibrators

Ensure height gauges are accurate

11 products

Chamfer Gauges

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

9 products

Squareness Gauges

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

3 products

Linear Scales

Measure and display the position of tools on machines, such as lathes, saws, and drill presses

5 products

Pipe Size Measuring Kits

Connect to pipe and fittings to determine their size without additional measuring tools

2 products

Variance Indicator Contact Point Adapters

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

1 product

Calibration Rods

Check and set micrometers and other measuring tools

8 products

Laser Measurers

Point the laser to determine the distance to objects up to hundreds of feet away

11 products

Micrometer Check Gauges

Confirm your outside or depth micrometers are accurate

1 product

Precision Measuring Tool Sets

Multiple precision measuring tools in one convenient case

10 products

Variance Indicator Lifting Levers

Replace the cap on your variance indicator to help lift the spindle

1 product

Machine Tool Indicator Contact Points

Replace the contact point on your machine tool indicator

2 products

Variance Indicator Extension Rods

Lengthen the reach of your variance indicator

8 products

Squares

Check 90° angles during layout work with combination, angle, or pipefitters' squares

20 products

Outside Micrometer Tips

Adapt your micrometer to measure curved and irregularly shaped objects, such as gear teeth and pipe

1 product

O-Ring Gauges

Identify the size of your O-ring

1 product

Liquid-Level Tape Measures

Lower into deep containers, such as tanks, to check the level of oil and other fluids

27 products

Variance Indicator Clamps

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

7 products

Combination Square Blades

Connect to a combination square head to create a combination square

1 product

Staff Gauges

Typically mounted to walls and tanks for measuring the level of liquids, such as water, fuel, and oil

4 products

Density Meters

Measure the density of liquids to check concentration; test battery fluid for a charge

10 products

Hardness Tester Indenters

Hard enough to make impressions on most metal to determine Brinell hardness

2 products

Thermometers

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

83 products

Temperature and Humidity Meters

Simultaneously measure temperature and relative humidity

1 product

Load Cells

Measure forces and send them to computers to monitor and trigger actions in machinery

25 products

Force Gauges

Test objects to see how much tension and compression force they can bear

14 products

Torque Sensors

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

22 products

Torque Gauges

Test the accuracy of torque wrenches and screwdrivers

6 products

Transfer Punches

Mark the center of an existing hole onto a separate workpiece

40 products

Parallel Rules

Draw parallel lines, as well as circles, arcs, and angles

1 product

Edge Finders

Locate edges, shoulders, center points, and lines on workpieces in milling machines

2 products

Air Particle Counters

Monitor indoor dust levels and measure filter efficiency in HVAC systems

1 product

Concentration Meters

Measure the concentration of solutions; also known as refractometers

1 product

Light Meters

Measure light quality and intensity

2 products

Gloss Meters

Measure the gloss of paint, coatings, and surfaces to ensure each product is as shiny as the last

1 product

Scales

Bench-top, hanging, floor, and conveyor scales

5 products

Airflow Meters

Measure airflow in duct, air filters, exhaust hoods, and other air applications

8 products

Position Indicators

Track components on rotating spindles or lead screws to help adjust machinery quickly and precisely

30 products

Fluid Handling

Pressure Gauges

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

9 products

Differential Pressure and Vacuum Gauges

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

6 products

Pressure Transmitters

Send pressure readings to controllers and remote displays

14 products

Pressure and Vacuum Gauges

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

5 products

Differential Pressure Gauges

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

5 products

Pressure and Vacuum Transmitters

Convert pressure and vacuum measurements into a signal sent to remote displays and controllers

12 products

Differential Pressure Transmitters

Relay pressure changes in heating, cooling, and pumping systems to controllers and remote displays

3 products

Sights

Observe and monitor the contents of pipes, tanks, and other containers

38 products

Flow Transmitters

Send flow rate measurements to PLCs, data loggers, and remote displays

12 products

Flowmeters

Measure the flow rate of liquid or gas through your system

78 products

Liquid-Level Gauges

Monitor fluid levels in containers

1 product

RTDs

Measure and transmit liquid, gas, and surface temperature more precisely than thermocouples

6 products

Temperature and Humidity Transmitters

Regulate heating and cooling by sending temperature and humidity levels to PLCs and controllers

2 products

Noncontact Temperature Sensors

Monitor the temperature of hazardous, sensitive, and hard-to-reach materials without touching them

28 products

Vacuum Pumps

Create suction force to move objects, draw liquids and gases, or generate flow

2 products

Flow Switches

Turn equipment on or off when flow rate reaches a set point

4 products

Power Transmission

Compressed Air Regulators

Ensure continuous, safe operation of air-powered equipment by controlling air pressure

109 products

Compressed Air Filter/Regulators

Simultaneously clean air that's running through a system and control its pressure

71 products

Compressed Air Filter/Regulator/Lubricators

Deliver clean, lubricated air at the desired pressure to a component in your line

7 products

Compressed Air Regulator Manifolds

Use a single air supply to meet multiple pressure requirements

33 products

Safety Equipment

Pedometers

Record steps and miles while you walk and run

2 products

Oxygen Detectors

Too much or too little oxygen triggers alarms and warning lights

3 products

Containers, Storage, and Furniture

Density Meter Jars

Add liquid and immerse a density meter until it floats for precise readings

6 products

Pipettors

Dispense liquid in accurate, repeatable amounts with the push of a button

22 products

Electrical Power, Networking, and Controlling

Development Board Sensor Modules

Transform your development board into everything from an airflow monitor to a motion detector

1 product

Ultrasonic Sensors

Measure the distance to objects and the level of liquids and materials

9 products

Terminal Blocks

Create tidy rows of wire connections that you can identify, test, and adjust on the spot

8 products

Fastening and Joining

Rivet Nut Tool Calibrators

Periodically test the pull force of your rivet nut tool to avoid failed rivet nuts

1 product