Hand Tools Archive

Subject:
Sharpening pain

Svante
Hi,

During five years I have used my Norton stones 1000, 4000 and 8000. The stones have been trued frequently on a Norton flattening stone. Everything worked fine.

Being a bit overambitious I got the idea to true the flattening stone with abrasive paper on a thick glass surface. I must have been rocking the stone so I got a belly on the flattening stone (without notice) and when truing transmitting the belly the waterstones. I worked through the back of most of my chisel until I realised my mistake.

I was able to get the truing stone and the waterstones flat again but not the chisel backs. They have a belly and rock when I am trying to flattening them.

Any suggestion on how to get them flat again?

Best regards,
Svante

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