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Message: <blockquote data-quote="deema" data-source="post: 1554495" data-attributes="member: 12872">I only use M42 blades after first ensuring the blade width / TPI mets my needs by trying it out in Carbon Steel to begin with. They do indeed last a lot longer than a standard carbon steel blade, and I have cut through the odd nail which hasn’t affected the blades performance / damaged teeth etc.M42 blades need approximately 50% more tension than a Carbon steel blade, which is a lot! Most bandsaw blade tension guides are very inaccurate, so you really need a blade tension meter to verify you are actually tensioning it up correctly regardless of the material. I’ve recently posted a thread about blade guides which you might find useful, and Sideways posted a thread recently in refurbishing a SCM bandsaw which I posted the theory of calculating spring tension and what to look out for which again I think will help. Tuffsaws are really nice people, helpful and knowledgeable, I always contact them for advise on the best blade for something new.[URL unfurl="true"]https://www.ukworkshop.co.uk/threads/bandsaw-blade-guide-theory.135481/[/URL][URL unfurl="true"]https://www.ukworkshop.co.uk/threads/scm-minimax-s45-bandsaw-teardown-overhaul.135069/page-4#post-1551783[/URL]</blockquote>

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