This Hardness Testing File Set eliminates the need to bring the material to the hardness testing machine. Now you simply take the file set to the material.

These files can reach into areas that have previously been difficult to hardness test.

The Hardness Testing File Set comprises 6 colour coded files ranging from 40HRC to 65 HRC in a protective plastic case.

Colour and file hardness

RED	HRC40-42	HV392-412
YELLOW	HRC45-47	HV446-471
LIGHT GREEN	HRC50-52	HV513-544
GREEN	HRC55-57	HV595-633
BLUE	HRC60-62	HV697-746
BLACK	HRC65-67	HV800-865

Testing is easy. Start with the black handled hardest file (65HRC) and run the file over the material. If the file marks the material, the material is softer than the file.

Repeat the procedure with the next, blue, file (60HRC) and continue the procedure until a file does not mark the material. The material hardness is then between the hardness of the two files that will and will not mark the material.

Robinson International | Engineering Supplies and Machine Tool Accessories

Robinson International Pty Ltd is an importer and wholesaler of professional quality engineering supplies and machine tool accessories. For more than 40 years the company has been importing professional ... read more

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