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Rockwell Hardness Scale
A
B
C
D
E
F
G
H
K
For Use On
Aluminum
Brass
Bronze
Copper
Film
Iron
Lacquer
Laminate
Paint
Plastic
Resin
Rubber
Stainless Steel
Steel
Titanium
Measures
Brinell Hardness
Durometer Hardness
Leeb Hardness
Rockwell Hardness
Vickers Hardness
For Durometer Shore
A
D
M
O
OO
Display Type
Analog
Digital
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
Specifications Met
ASTM Standard
ISO 6506-2
System of Measurement
Inch
Metric
Width
9/16"
1"
1
1/2"
2"
2
1/4"
2
1/2"
2
7/8"
3
1/8"
4"
8"
8
1/2"
Material
Aluminum
Carbide
Plastic
Rubber
Steel
Hardness Measuring Range
Brinell 8 to Brinell 650
Brinell 75 to Brinell 650
Brinell 93 to Brinell 650
Brinell 95 to Brinell 650
Brinell 150 to Brinell 400
Durometer 0 OO to Durometer 100 OO
Durometer 26 OO to Durometer 99 OO
Durometer 30 OO to Durometer 70 OO
Durometer 0 O to Durometer 100 OO
Durometer 0 O to Durometer 100 O
Durometer 0A to Durometer 100A
Durometer 30A to Durometer 90A
Durometer 0D to Durometer 100D
Durometer 20D to Durometer 80D
Durometer 0M to Durometer 100M
Durometer 30M to Durometer 90M
Leeb 100 HLD to Leeb 950 HLD
Leeb 170 HLD to Leeb 960 HLD
Maximum Number of Readings Stored
100
2,000
U.S.–Mexico–Canada Agreement (USMCA) Qualifying
Yes
No
REACH
Compliant
Not Compliant
DFARS Specialty Metals
Exempt
Export Control Classification Number (ECCN)
1C395
EAR99
RoHS
Compliant
Not Compliant
Dial Diameter
2
1/4"
2
1/2"
4"
Diameter
1/2"
7/8"
1
1/2"
Height
9/16"
5/8"
1
1/4"
1
1/2"
2"
3"
4"
4
1/2"
4
3/4"
6
1/8"
7"
7
1/2"
11"
30"
Shape
Oval
Ring
Square
Throat Height
3/8"
4
1/2"
6
5/8"
Depth
1/4"
1"
1
1/2"
1
5/8"
1
3/4"
20"
Length
2"
3"
4"
6"
8"
29 mm
Hardness Measuring Increments
0.1
1
4
4.25
Ball Indenter Diameter
1/16"
0.8 mm to 6 mm
2.5 mm
10 mm
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123 Products
Hardness Testers
Rockwell Hardness Testing File Sets
Multiple files with set hardness to determine multiple levels of relative hardness
1 product
Benchtop Rockwell Hardness Testers
Bring material right to your bench to measure its hardness
1 product
Portable Digital Hardness Testers
Test large parts or metal bar stock with our most precise hardness testers
1 product
Durometer Hardness Testers
Measure hardness of flat materials, such as plastic, rubber, and laminate
14 products
Small Spot Rockwell Hardness Testers
A microscope measures the indentation from a small-diameter ball penetrator
1 product
Ultrasonic Portable Hardness Testers
Ultrasonic vibrations determine hardness without leaving an indent
1 product
Rockwell Hardness Testing Files
If a file scratches material, then the material is softer than the file
1 product
Digital Durometer Hardness Testers
Measure the hardness of flat materials with a digital display
7 products
Pressure-Grip Rockwell Hardness Testers
Squeeze to measure hardness with a single hand
2 products
Portable Rockwell Hardness Testers
Test large and hard-to-access parts right on your production floor
2 products
Brinell Hardness Testers
Determine the hardness of very hard steel
2 products
Brinell Hardness Testing Digital Scopes
Scan your material while software calculates its hardness for you
1 product
Scratch-Resistance Hardness Testers
Determine the relative hardness of resins, film, lacquer, and paint
2 products
O-Ring Durometer Hardness Testers
Test thin and irregularly shaped plastic, rubber, and laminate parts, such as O-rings
4 products
Other Products
Hardness Calibration Test Blocks
Confirm testers are accurate for a specific Rockwell or Brinell hardness
13 products
Hardness Tester Indenters
Hard enough to make impressions on most metal to determine Brinell hardness
2 products
Tubing Samples
Test tubing material or hardness to confirm it works for your application
4 products
Water Test Kits
All the chemicals and labware you need for on-site sampling and water-quality testing
7 products
Rubber
Compresses and bounces back to shape; often used for sealing, cushioning, and shock absorbing
3 products
Water Test Strips
Dip into water and a color change indicates chemicals, pH, and other conditions
3 products
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)