pay attention steel hardening techniques, making high quality TAPS from drill bits

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#metalworking #lathe
pay attention steel hardening techniques, making high quality TAPS from drill bits

Warning: This screw tap is only used to clean and repair dirty and deformed nuts, not intended for very hard die iron.
I made this left screw hand tap myself to make nuts for tie rod spare parts on trucks which often experience damage to the nuts, therefore I made a DIY hand tap to speed up repairs and for the hand tap I did hardening to make it stronger and more durable. .And in this technique I use salt water as a cooling medium, hardening the steel.
Creative idea
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Lathe technique
Welding
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Steel hardener
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Tooth
CEE AUSTRALIA

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