They seem expensive, but not if you look at all the other options for testing hardness to a reasonably narrow range. Getting it to within 5 is more than enough accuracy for a home shop and to give you some peace of mind.
They seem expensive, but not if you look at all the other options for testing hardness to a reasonably narrow range. Getting it to within 5 is more than enough accuracy for a home shop and to give you some peace of mind.
They're also usable in a lot of cases that a 'real' hardness tester isn't. e.g. you can test thin material, tubes, and other shapes that would not be intrinsically rigid - a requirement for a conventional rockwell tester.
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