Should I file the tang and spine before or after I harden the blade?
Md Ariful Islam
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এমবিএ(মার্কেটিং)
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Dr. Md Rushad Rahman
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পিজিটি(মেডিসিন)
Do all your rough work first. The hardening and subsequent tempering process should only be followed with light grinding so you don't lose the temper in the steel. You can always make it softer, but you can't make it harder unless you reharden it all over again.
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