ronan
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- 11,399
I use o1/silver steel/gfs whatever you want to call it, for loads of little jobs around the shed. Its easy to heat treat. I made some tiny steel cutting chisels recently to cut a 2.5mm slot 30mm down in a much larger slot, it worked great and its what i would use for this job, fabricate the part slightly oversize, harden it and have it surface ground to final size.