
Sharpening circular saws with your own hands
Material and properties of carbide teeth In domestic saws, sintered tungsten-cobalt alloys of grades VK (VK6, VK15, etc.) are used as the material for cutting inserts. BK6 has a hardness of 88.5 HRA, BK15. 86 HRA. Foreign manufacturers use their own alloys. Hard alloys VK consist mainly of cobalt cemented tungsten carbide. The characteristics of the alloy depend not only […]
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