Inspection Equipment | McMaster-Carr

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7,048 Products

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Coordinate Measuring Machine Plates and Fixtures

Coordinate Measuring Machine Plates and Fixtures

Raise workpieces and position them on a fixture plate

Tooling Balls

Create a height reference point to measure hole centerlines and the distances between them

Plug Gauges

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

Bench Centers

Use with a variance indicator to measure a workpiece’s roundness, concentricity, and runout

V-Blocks

Hold round workpieces

All Results

Measuring and Inspecting

Coordinate Measuring Machine Plates and Fixtures

Coordinate Measuring Machine Plates and Fixtures

Raise workpieces and position them on a fixture plate

Plug Gauges

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

Ring Gauges

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

Ring Gauge Holders

Ring Gauge Holders

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

Bench Centers

Use with a variance indicator to measure a workpiece’s roundness, concentricity, and runout

Gauge Blocks

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

Calipers

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

Variance Indicator Depth Base Attachments

Variance Indicator Depth Base Attachments

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

Variance Indicators

Variance Indicators

Identify small dimensional differences when checking part quality and alignment

Variance Indicator Holders

Variance Indicator Holders

Position and hold variance indicators in place for accurate readings

Welding Gauges

Check alignment, corner dimensions, and other weld measurements

Height Gauges

Measure an object's height and mark workpieces for machining

Bore Gauge Calibrators

Bore Gauge Calibrators

Set and check the accuracy of two-point bore gauges

Bore Gauges

Insert into a hole and expand the contacts to measure diameter

Feeler Gauges

Check gaps and alignment between machine parts and other surfaces

Machine Tool Indicators

Machine Tool Indicators

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

Surface Plates

Extremely flat to give an accurate reference plane for layout and inspection work

Depth Gauges

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

Thread Size Identifiers

Thread Size Identifiers

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

Variance Indicator Collets

Variance Indicator Collets

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

Calibration Squares

Calibration Squares

Lay horizontally or vertically on CNC machines to check the position of tools with high precision

Threaded Hole Location Gauges

Threaded Hole Location Gauges

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

Squareness Gauges

Squareness Gauges

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

Step Gauges

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

Chamfer Gauges

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

Countersink Gauges

Countersink Gauges

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

Grind Gauges

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

Magnetic Field Indicators

Magnetic Field Indicators

Measure the strength of a magnetic field in gauss

Passivation Testers

Passivation Testers

Detect iron in stainless steel parts to confirm they're properly passivated

Hardness Testers

Hardness Testers

Determine the Rockwell, Brinell, or Durometer hardness of any material

Surface Roughness Testers

Surface Roughness Testers

Trace the surface of a part to calculate its roughness parameters in Ra, Rp, and Rq

Density Meters

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

Borescopes

Insert the camera into hard-to-reach areas to view them from your smart device or the display

Ultraviolet Inspection Lights

Ultraviolet Inspection Lights

Shine on equipment to detect traces left behind by leaks, rodents, and other contaminants

Tamper-Evident Paint

Tamper-Evident Paint

Cracks from movement when dried on equipment to indicate vibration or tampering

Magnifiers

Workstation, hand-held, headband, and eyeglass magnifiers

Microscopes

Enlarge the view of small parts and samples for inspection and assembly

Magnetic Particles

Magnetic Particles

Apply to metal and magnetize with a yoke to show defects on and below the surface

Magnetic Particle Flaw Detection Kits

Magnetic Particle Flaw Detection Kits

Everything you need to detect imperfections on or below metal surfaces

Flaw-Detecting Dyes

Flaw-Detecting Dyes

Reveal flaws and cracks in nonporous material by turning them red under natural light

Inspection Mirrors

Inspection Mirrors

Reach around corners and obstructions to inspect hard-to-see areas

Machine Vision Cameras

Machine Vision Cameras

Inspect objects on conveyor lines for defects such as surface flaws and missing screws

Microscope Illuminators

Microscope Illuminators

Shine a light on samples for a better view

Magnetic Yokes

Pair with magnetic particles to find defects on or below metal surfaces

Inspection Cameras

Inspection Cameras

Reach into tight and hard-to-access spots and stream the inspection on your phone or tablet

Power Consumption Meters

Power Consumption Meters

Measure the amount of power your devices consume to help calculate energy costs

Vibration Monitors

Vibration Monitors

Mount to your machine to continuously monitor vibration and ensure it stays within the proper range

Smoke Candles

Light the wick for a short burst of smoke to observe airflow and detect leaks in HVAC systems

Electrical Outlet Testers

Electrical Outlet Testers

Confirm proper wiring by checking for open circuits

Line Break Detectors

Line Break Detectors

Check for continuity in circuits

Spring Test Probes

Spring Test Probes

Use in spring test probe sockets to test for continuity and damaged components in circuit boards

Patch Cords

Make point-to-point connections between electrical testing equipment and your devices

Multimeters

Take current, voltage, resistance, and other electrical measurements

Electrical Panel Meters

Electrical Panel Meters

See the amount of electricity used to run motors, generators, and other equipment

Spring Test Probe Sockets

Spring Test Probe Sockets

Pair with spring test probes to test for continuity and damaged components in circuit boards

Tachometers

Measure the speed of rotating parts on machines such as shafts, gears, and belts

Vibration Meters

Vibration Meters

Spot-check vibration to gauge the health of your machine

Leak-Detecting Dyes

Leak-Detecting Dyes

Bright colors help you spot leaks in water and hydraulic systems without using ultraviolet light

Voltage Detectors

Voltage Detectors

Check for voltage in receptacles, cables, and other electrical components

Oscilloscopes

Analyze problems with electrical equipment by graphing voltage and other electrical waveforms

Smoke Pens

Produce smoke to observe airflow and detect leaks in HVAC systems; reusable, unlike smoke candles

Circuit Breaker Identifiers

Circuit Breaker Identifiers

Determine which circuit breaker is connected to an electrical receptacle

Circuit Tracers

Circuit Tracers

Locate cables behind walls, check for continuity, and identify circuit breakers

Power Consumption Data Loggers

Power Consumption Data Loggers

Record data to monitor energy usage and fix intermittent problems, such as voltage spikes

Current Meters

Measure current without interrupting the circuit

Stroboscopes

Shine a bright flashing light at moving belts and pulleys to measure speed and detect wear

Electrical Resistance Meters

Electrical Resistance Meters

Prevent damage to electronics by checking material and surfaces for static discharge

Gas Leak Detectors

Gas Leak Detectors

Find gas leaks in pipes, tubes, fittings, tanks, cylinders, and valves

Voltage Meters

Measure voltage in electrical components

Radiation Detectors

Radiation Detectors

Test for radiation, even in low amounts or from microwave ovens

Current Detectors

Current Detectors

Check for AC current and voltage without making direct contact with wire

Insulation Testers

Insulation Testers

Measure insulation quality in motors, generators, and other electrical equipment

Motor Phase Sequence Testers

Motor Phase Sequence Testers

Analyze a motor's rotation and electrical system to confirm proper wiring

Electronic-Component Testers

Electronic-Component Testers

Test, identify, and troubleshoot components such as circuit boards and diodes

Smoke Pellets

Detect airflow and leaks in HVAC systems near server rooms and other areas with electronics

Smoke Powder

No flame needed—release a burst of powder to detect airflow and leaks in HVAC systems

Oscilloscope/Multimeters

Oscilloscope/Multimeters

Perform electrical tests, record data, and view a graph of electrical waveforms

Laser Levels

Project level references onto surfaces when installing drop ceilings, pipe, or conveyors

Light Meters

Measure light quality and intensity

Shaft Alignment Kits

Shaft Alignment Kits

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

Torque Gauges

Test the accuracy of torque wrenches and screwdrivers

Levels

Ensure surfaces are completely horizontal or vertical

Compression Testers

Compression Testers

Check engine compression to maintain top performance

Combustion Analyzers

Combustion Analyzers

Measure boiler and furnace combustion efficiency

Stethoscopes

Detect internal mechanical problems like worn parts, excessive vibration, and fluid leaks

Hour Meters

Display running time on a machine so you can schedule preventative maintenance

Force Gauges

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

Inspection Indicators

Inspection Indicators

Mount to your equipment for a signal when it's time for maintenance or inspection

Alignment Lasers

Alignment Lasers

Project a line or dot as a reference point to ensure equipment is properly positioned

Level Mounts

Strap to nonmagnetic surfaces to attach a magnetic level

Level Vials

Replace vials in levels or equipment

Pipe Flange Aligners

Pipe Flange Aligners

Line up flange holes so they bolt securely and connections won’t leak

Gloss Meters

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

Color Calibrators

Color Calibrators

Calibrate your color meter to identify colors with precision

Color Meters

Ensure consistent coloring on products such as labels and packaging

Fabricating and Machining

Tooling Balls

Create a height reference point to measure hole centerlines and the distances between them

V-Blocks

Hold round workpieces

Angle Plates

Ensure accurate right angles and hold workpieces and fixtures perpendicular to your machine table

Setup Blocks

Use as mounting bases and supports to ensure accurate angles and spacing

Fixturing Squares

Fixturing Squares

Build different fixtures on multiple sides of the same block

Fixture Tables

Add clamps, brackets, and other components to build fixtures for welding and assembly

Sine Plates

Use with gauge blocks to measure angles on your workpiece or set up a part for precision grinding

Lighters

Light flames and recharge for repeated long-term use

Ultraviolet Curing Lamps

Ultraviolet Curing Lamps

Cure adhesives and sealants, inspect parts for quality, or detect leaks

Multitools

A variety of tools and blades all in one

Magnetic Retrievers

Magnetic Retrievers

Pick up screws, nuts, and other small magnetic objects

Retrievers

Grab and pull objects out of hard-to-reach spots

Abrasive Blaster Windows

Abrasive Blaster Windows

Replace the window on your abrasive blasting cabinet

Communication

Tags

Hang throughout facilities to convey information

Tamper-Evident Seals

Tamper-Evident Seals

Secure hasps, latches, and other connections to visibly indicate tampering

Labels

Stick onto items to identify or convey information about them

Fire Hydrant Markers

Fire Hydrant Markers

Label fire hydrants to indicate their flow rate or status

Signs

Everything from accident prevention to traffic control to exit signs

Stamps

Mark surfaces such as metal, cardboard, paper, or fabric with indentations or ink

Fluid Handling

Sights

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

Flow Sights

Visually confirm flow and inspect liquid color and clarity

Gauge Glass

Create or repair liquid-level gauges to monitor fluid levels in containers

Tube Sampling Ports

Tube Sampling Ports

Take samples from sanitary tubing without pausing or contaminating your line

Flow Transmitters

Flow Transmitters

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

Electrical

HMI Covers

Access HMI devices and other controls mounted to an enclosure while keeping out liquids and dust

Electrical Enclosure Inspection Windows

Electrical Enclosure Inspection Windows

View components without exposing them to dust and moisture

Material Handling

Conveyors

Roller, skate wheel, ball transfer, belt, and vacuum conveyors

Containers, Storage, and Furniture

Density Meter Jars

Density Meter Jars

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

Facility and Grounds Maintenance

Paint

Renew, enhance, protect, and change the color of surfaces

Lighting

Flashlight Magnifiers

Flashlight Magnifiers

Turn your flashlight into an illuminated magnifying glass

Flashlights

Direct a beam of light to precisely where it’s needed

Headlamps

Keep your hands free by wearing a flashlight on your head

Heating, Ventilation, and Air Conditioning

Duct and Duct Fittings

Duct and Duct Fittings

Circulate air through HVAC systems using round, rectangular, and fabric duct

Building and Machinery Hardware

Lockout Procedure Stations

Lockout Procedure Stations

Store all of your lockout safety procedure forms in one place

Positioning Arms

Positioning Arms

Mount and position tools, small electronics, and displays

Lockouts

Ensure that machines stay turned off to prevent accidents during maintenance work

Access Panels

Install in ceilings, walls, concrete floors, and tanks to access and inspect inside

Key-Control Cabinets

Key-Control Cabinets

Lock and keep track of keys in a central location

Roof Hatches

Access the roof from inside your building

Key Racks

Store and quickly identify keys with color-coded and labeled tags

Key-Control Cases

Key-Control Cases

Organize, transport, and store keys in portable zippered cases

Safety Equipment

Bump Caps

Guard against minor head bumps and scrapes

Multi-Gas Detectors

Multi-Gas Detectors

Monitor air for carbon monoxide and combustible gases including methane, hydrogen, and propane

Oxygen Detectors

Oxygen Detectors

Too much or too little oxygen triggers alarms and warning lights

Carbon Dioxide Meters

Carbon Dioxide Meters

Measure and display real-time carbon dioxide levels for indoor ventilation quality

Gloves

Shield your hands from cuts, heat, cold, chemical splashes, and electrical and welding sparks

Carbon Monoxide Detectors

Carbon Monoxide Detectors

Alarms, lights, or color changes alert you to the presence of carbon monoxide

Hydrogen Sulfide Detectors

Hydrogen Sulfide Detectors

Alarms and lights alert you to high levels of hydrogen sulfide

Welding Lens Magnifiers

Welding Lens Magnifiers

Attach to welding lenses to enhance details

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