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Hardness Test File Set HRC40 - HRC65

Supplier: Robinson International

Robinson International now has available an innovative Hardness Testing File Set that provides a quick, efficient and inexpensive means to check steel hardness.

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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.

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