Scales | McMaster-Carr

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How can we improve?

2,664 Products

Measuring and Inspecting

Scales

Bench-top, hanging, floor, and conveyor scales

207 products

Refrigerant Cylinder Scales

Weigh refrigerant cylinders to dispense the correct amount of refrigerant

5 products

Rulers

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

663 products

Combination Square Blades

Connect to a combination square head to create a combination square

18 products

Linear Scales

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

40 products

Tap and Drill Chart/Rulers

Reference tap and drill sizes, measure in inches, and convert to decimals with one tool

1 product

Squares

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

123 products

Staff Gauges

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

32 products

Tape Measures

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

238 products

Diameter Identifiers

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

1 product

Protractors

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

36 products

Depth Gauges

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

35 products

Angle Indicators

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

24 products

Map Distance Measuring Tools

Slide across maps and blueprints to measure distances

4 products

Combination Square Heads

Attach combination square blades to form a combination square

28 products

Radius Gauges

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

11 products

OSHA/ANSI Safety Gauges

Confirm gaps in bench grinders and machine guards meet OSHA and ANSI safety requirements

3 products

Depth Micrometers

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

46 products

Pipe Size Chart/Rulers

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

3 products

Squareness Gauges

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

3 products

Angle Identifiers

Place the edges against fittings, dies, and other objects to quickly verify angles up to 45°

2 products

Chamfer Gauges

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

21 products

Liquid-Level Tape Measures

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

61 products

Go/No-Go Outside Diameter Gauges

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

20 products

Countersink Gauges

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

20 products

Force Gauges

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

133 products

Force Gauge Grips

Pair with force gauges to test wire, pins, and thin sheets

10 products

Load Cells

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

301 products

Load Cell Junction Boxes

Join multiple load cells to combine their weight measurements

2 products

Belt Tension Gauges

Check belt tension to minimize vibration, noise, and slippage

16 products

Torque Gauges

Test the accuracy of torque wrenches and screwdrivers

88 products

Torque Sensors

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

22 products

Levels

Ensure surfaces are completely horizontal or vertical

189 products

Band Saw Blade Alignment Gauges

Keep band saw blades straight between guides

1 product

Shaft Alignment Kits

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

9 products

Leveling Rods

Use with sight levels to estimate the distance between you and a given object

5 products

Level Vials

Replace vials in levels or equipment

16 products

Level Mounts

Strap to nonmagnetic surfaces to attach a magnetic level

2 products

Surface Finish Gauges

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

4 products

Hardness Testers

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

30 products

Hardness Calibration Test Blocks

Confirm testers are accurate for a specific Rockwell or Brinell hardness

13 products

Parallel Rules

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

1 product

Straightedges

Draw straight lines and check the straightness of surfaces

44 products

Angle Transfers

Duplicate any angle in construction and other applications

2 products

Straightedge/Protractors

Draw straight lines and measure angle, slope, and rise with one tool

2 products

Center Punch/Angle Indicators

Find the center of pipe and other parts and determine setup angles on milling machines and grinders

5 products

Center Punches

Mark center holes in metal and other material

5 products

Magnifiers

Workstation, hand-held, headband, and eyeglass magnifiers

8 products

Optical Comparators

Magnify your part to check for dimensional accuracy and surface defects

19 products

Light Meters

Measure light quality and intensity

2 products

Fabricating and Machining

Multitools

A variety of tools and blades all in one

1 product

Material Handling

Forklift Fork Level Indicators

Mount to your forklift's mast to check if forks are level from the driver's seat

1 product

Fastening and Joining

Torque Screwdrivers

Apply precise torque as you fasten screws to prevent overtightening

Containers, Storage, and Furniture

Tape Measure Holders

Keep tape measures close at hand

2 products