ROCKWELL HARDNESS Scale in woodworking and woodturning Sam Angelo

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With so many variations on High Speed steel, understanding tool quality can be confusing. • Sam has provided some simple detailed information on the Rockwell Hardness scale. Measuring the hardness in tool steel is information that helps woodworkers and woodturners decide which tool to purchase. • This link offers more information on the Rockwell hardness scale: • http://www.leevalley.com/us/shopping/...

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