Precision Measuring Tools

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EAR99

DFARS Specialty Metals

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Manufacturer Model Number

5,105 Products

Measuring and Inspecting

Calipers

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

208 products

Variance Indicators

Identify small dimensional differences when checking part quality and alignment

346 products

Bore Gauges

Insert into a hole and expand the contacts to measure diameter

109 products

Bore Gauge Heads

Swap the head on your Mitutoyo electronic bore gauge for one with a different measuring range

19 products

Outside Micrometers

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

223 products

Precision Measuring Tool Sets

Multiple precision measuring tools in one convenient case

18 products

Plug Gauges

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

1,026 products

Ring Gauges

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

854 products

Ring Gauge Holders

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

17 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

16 products

Gauge Blocks

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

738 products

Rulers

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

207 products

Inside Hole Micrometers

Find the inside diameter of cylinders and rings

29 products

Micrometer Check Gauges

Confirm your outside or depth micrometers are accurate

1 product

Depth Gauges

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

35 products

Height Gauges

Measure an object's height and mark workpieces for machining

34 products

Tape Measures

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

72 products

Height Gauge Calibrators

Ensure height gauges are accurate

3 products

Micrometer Heads

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

36 products

Depth Micrometers

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

46 products

Combination Square Heads

Attach combination square blades to form a combination square

28 products

Protractors

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

9 products

Laser Measurers

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

6 products

Inside Hole Calipers

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

12 products

Thickness Gauges

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

41 products

Angle Indicators

Align pipe and other equipment by measuring angle, level, or tilt

15 products

Linear Scales

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

35 products

Combination Square Blades

Connect to a combination square head to create a combination square

18 products

Squares

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

76 products

Micrometer Speeder Knobs

Color code micrometers by calibration date, precision, or other criteria

4 products

Inside/Outside Diameter Gauges

Mount your variance indicator to measure the diameter of rims, grooves, and shallow holes

2 products

Machine Tool Indicators

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

6 products

Calibration Squares

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

2 products

Threaded Hole Location Gauges

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

70 products

Squareness Gauges

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

3 products

Step Gauges

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

2 products

Grind Gauges

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

4 products

Micrometer Head Mounting Brackets

Mount a micrometer head to your jig or fixture to accurately position workpieces

16 products

Straightedges

Draw straight lines and check the straightness of surfaces

39 products

Center Finders

Line up your drill with the center of round bars and pipe

1 product

Edge Finders

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

17 products

Levels

Ensure surfaces are completely horizontal or vertical

50 products

Laser Levels

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

23 products

Shaft Alignment Kits

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

9 products

Level Mounts

Strap to nonmagnetic surfaces to attach a magnetic level

2 products

Inspection Parallels

Line up workpieces for precise machining, or support them at a level height for inspecting

8 products

Inspection Setup Blocks

Line up workpieces at precise heights and angles for machining, measuring, and inspecting

2 products

Tire Pressure Test Gauges

Calibrate the accuracy of tire pressure and tire inflation gauges

1 product

Hardness Testers

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

26 products

Hardness Calibration Test Blocks

Confirm testers are accurate for a specific Rockwell or Brinell hardness

4 products

Scales

Bench-top, hanging, floor, and conveyor scales

1 product

Torque Gauges

Test the accuracy of torque wrenches and screwdrivers

80 products

Test Weights

Place on or hang from your scale to calibrate it

210 products

Force Gauges

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

117 products

Hardness Tester Indenters

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

2 products

Torque Sensors

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

16 products

Optical Comparators

Magnify your part to check for dimensional accuracy and surface defects

4 products

Fabricating and Machining

Setup Blocks

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

20 products

Rotary Angle Indexers

Position round workpieces at precise, repeatable angles for machining flats, hexes, and key slots

2 products

Electrical

Development Board Sensor Modules

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

5 products

Fastening and Joining

Rivet Nut Tools

Install rivet nuts

1 product

Tungsten Electrode Stick-Out Gauges

Measure the distance tungsten electrodes stick out from your nozzle for consistent TIG welding

2 products