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System of Measurement
Inch
Metric
Weight
0.5 oz.
1 oz.
2 oz.
4 oz.
0.5 lb.
12 oz.
1 lb.
2 lb.
3 lb.
5 lb.
10 lb.
15 lb.
20 lb.
25 lb.
50 lb.
100 lb.
500 lb.
1 g
2 g
5 g
10 g
20 g
30 g
40 g
50 g
100 g
150 g
200 g
300 g
400 g
500 g
1 kg
2 kg
3 kg
4 kg
5 kg
10 kg
20 kg
25 kg
Shape
Ball
Rectangle
Round
Square
Material
400 Nickel
Aluminum
Black Granite
Brass
Bronze
Cast Iron
Ceramic
Glass
Granite
Neodymium
Plastic
Rubber
Stainless Steel
Steel
Tungsten Carbide
Specifications Met
ASME Standard
ASTM Standard
ISO/IEC 17025
Certificate Type
Accuracy Certificate Traceable to NIST
Analysis Certificate Traceable to NIST
Calibration Certificate
RoHS
Compliant
Compliant with Exemptions
Not Compliant
REACH
Compliant
Not Compliant
Export Control Classification Number (ECCN)
2B999
3A992
EAR99
DFARS Specialty Metals
Exempt
U.S.–Mexico–Canada Agreement (USMCA) Qualifying
Yes
No
Length
1/32"
1/16"
1/8"
3/16"
7/32"
1/4"
3/8"
1/2"
5/8"
3/4"
7/8"
0.95"
1"
1" to 5"
1" to 11"
1.181"
1.378"
2"
Calibration Weight Class
1
4
5
6
7
Diameter
3/16"
1/4"
5/16"
3/8"
7/16"
1/2"
9/16"
5/8"
3/4"
13/16"
1"
1
1/8"
1
3/16"
1
1/4"
1
3/8"
1
7/16"
1
1/2"
1
5/8"
Plug Gauge Size
0.0040"
0.0041"
0.0043"
0.0044"
0.0045"
0.0047"
0.0048"
0.0049"
0.0050"
0.0051"
0.0053"
0.0054"
0.0055"
0.0056"
0.0057"
0.0058"
0.0059"
0.0060"
Gauge Measurement Type
Go
No-Go
Size-Checking Gauge Class
X
Z
ZZ
Number of Pieces
5
8
9
10
11
12
13
14
17
20
21
25
28
32
34
35
36
45
Hardness
Brinell 106
Brinell 111
Brinell 114
Brinell 117
Brinell 121
Brinell 124
Brinell 125
Brinell 127
Brinell 131
Brinell 135
Brinell 138
Brinell 142
Brinell 147
Brinell 151
Brinell 156
Brinell 160
Brinell 165
Brinell 170
Height
1/4"
5/16"
3/8"
1/2"
9/16"
5/8"
11/16"
3/4"
13/16"
7/8"
15/16"
1"
1
1/16"
1
1/8"
1
3/16"
1
1/4"
1
3/8"
1
7/16"
Surface Smoothness, RMS
2 μin
4 μin
8 μin
10 μin
Width
0.35"
9/16"
0.95"
2"
2
3/8"
2
1/2"
2
13/16"
3"
3.4"
3.8"
3
7/8"
3.9"
4"
4
1/2"
5"
5
3/4"
5
7/8"
6"
6
1/2"
6
11/16"
7
5/8"
7
11/16"
7
3/4"
7
15/16"
8
1/4"
9"
9
1/8"
9
1/4"
11
1/2"
12"
15"
18"
24"
28
1/2"
9 mm
Gauge Size
0.004"
0.005"
0.006"
0.007"
0.008"
0.009"
0.01"
0.011"
0.012"
0.013"
0.014"
0.015"
0.016"
0.017"
0.018"
0.019"
0.02"
0.02005"
Thread Size
0-80
1-64
1-72
2-56
2-64
3-48
3-56
4-40
4-48
5-40
5-44
6-32
6-40
8-32
8-36
10-24
10-32
12-24
For Use With
Calipers
Depth Micrometers
Food
Outside Micrometers
Air
Ammonium Hydroxide
Chlorine
Citric Acid
Diesel Fuel
Ethyl Alcohol
Ethylene Glycol
Fuel Oil
Gasoline
Hydraulic Fluid
Hydraulic Oil
Hydrochloric Acid
Isopropyl Alcohol
Kerosene
Performance
Corrosion Resistant
High Accuracy
Magnetic
Metal Detectable
Precision
Vibration Resistant
Wear Indicating
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2,872 Products
Test Weights
Test Weights with Calibration Certificate
Come with certificates traceable to NIST
11 products
Test Weight Sets with Calibration Certificate
Keep various weight sizes on hand with certificates traceable to NIST
3 products
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Come with certificates traceable to NIST
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Precision Test Weights with Calibration Certificate
Our most accurate weights for precision scales with certificates traceable to NIST
26 products
Legal-for-Trade Test Weights with Calibration Certificate
Come with certificates traceable to NIST
24 products
Test Weights
Place on your scale to calibrate it
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Legal-for-Trade Grip-Handle Test Weights
Place on your legal-for-trade scale to calibrate it
8 products
Legal-for-Trade Test Weights
Place on your legal-for-trade scale to calibrate it
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Test Weight Sets
Keep various weight sizes on hand
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Hanging Test Weights with Calibration Certificate
Come with certificates traceable to NIST
12 products
Interlocking Test Weights
Come with certificates traceable to NIST
16 products
Precision Test Weight Sets with Calibration Certificate
Keep various precision weight sizes on hand with certificates traceable to NIST
6 products
Precision Test Weights
Our most accurate weights for precision scales
12 products
Grip-Handle Test Weights with Calibration Certificate
Come with certificates traceable to NIST
2 products
Grip-Handle Test Weights
Place on your scale to calibrate it
2 products
Interlocking Test Weights with Calibration Certificate
Come with certificates traceable to NIST
16 products
Hanging Test Weights
Suspend from your hanging scale to calibrate it
12 products
Precision Test Weight Sets
Keep various precision weight sizes on hand
3 products
Legal-for-Trade Test Weight Sets with Calibration Certificate
Keep various legal-for-trade weight sizes on hand with certificates traceable to NIST
4 products
Legal-for-Trade Hanging Test Weights with Calibration Certificate
Come with certificates traceable to NIST
4 products
Legal-for-Trade Test Weight Sets
Keep various legal-for-trade weight sizes on hand
3 products
Legal-for-Trade Hanging Test Weights
Come with certificates traceable to NIST
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Check the accuracy of electrical sensors and measuring instruments
1 product
Gauge Blocks
Confirm dies, fixtures, and other workpieces meet precise tolerances and calibrate measuring tools
738 products
Plug Gauges
Verify the diameter or threads of machined holes in finished parts; also called pin gauges
1,022 products
Metal Detector Calibration Kits
Test the sensitivity of food-processing metal detectors
1 product
Test Pumps
Force air or liquid through your system to look for leaks; often called hydrostatic test pumps
13 products
Variance Indicator Calibration Testers
Check the accuracy of variance indicators to ensure precise readings
1 product
Calibration Rods
Check and set micrometers and other measuring tools
31 products
Counterbalance Weights
Add to the end of a beam scale to increase how much it can weigh
6 products
Bore Gauge Calibrators
Set and check the accuracy of two-point bore gauges
1 product
Caliper Calibration Checkers
Test your caliper's accuracy
2 products
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Multimeters
Take current, voltage, resistance, and other electrical measurements
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Calibration Columns
Calibrate the flow rate of metering pumps
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Lathe Alignment Bars
Confirm that your lathe headstock and tailstock are aligned for accurate machining
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Calibrate your color meter to identify colors with precision
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Buffer Solutions
Calibrate chemistry sensors to maintain their accuracy
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Weight Bags
Hold down equipment and balance loads for stability when lifting them
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Insert into a hole and expand the contacts to measure diameter
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Hardness Calibration Test Blocks
Confirm testers are accurate for a specific Rockwell or Brinell hardness
13 products
Setup Blocks
Use as mounting bases and supports to ensure accurate angles and spacing
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Calibrate the accuracy of tire pressure and tire inflation gauges
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Calibration Spheres
Test your CMM probe and stylus against a precise reference point before you start inspecting
7 products
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Measure light quality and intensity
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Make sure your sound level monitor or tester provides reliable readings
1 product
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Line up workpieces for precise machining, or support them at a level height for inspecting
8 products
Calibration Squares
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Ensure height gauges are accurate
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614 products
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1 product
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Color Meters
Ensure consistent coloring on products such as labels and packaging
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Verify that equipment is taking accurate vacuum measurements
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Determine the Rockwell, Brinell, or Durometer hardness of any material
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Line up workpieces at precise heights and angles for machining, measuring, and inspecting
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Confirm your rotary blades are balanced for smooth, vibration-free cutting
1 product
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Install rivet nuts
1 product
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)