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[Dianka]

Grinding the tip many times to sharpen the edge, not it will make the heat
treatment hardened with a new chisel.

Контекст:

Replacement of Tool: When a chisel bit is worn out, it is liable to slip. Then, sharpen
the tip. Grinding the tip many times to sharpen the edge, not it will make the heat
treatment hardened with a new chisel. The difference gap is over 9 mm, then replace
chisel holder together with the chisel.

Спасибо