How many days can the saw blade be used?

Update:19-07-2019
Summary:

The saw blade for processing metal materials can be use […]

The saw blade for processing metal materials can be used for about 64-88 hours for the first time if it is used continuously. The length of the life of the saw blade is firstly based on the material of the saw blade, followed by the habit of use. Therefore, good use habits will prolong the use of the saw blade.
Furthermore, the saw blade can be reused. After grinding, you can continue to use it.

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