Mike From Detroit
Showing posts with label
heat treating
.
Show all posts
Showing posts with label
heat treating
.
Show all posts
Wednesday, May 24, 2023
Watchmaking: First Screw Made
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Watchmaking: First Screw Made Taking a 3mm O1 (cool hardening) steel rod and making a very tiny screw from it. Here is what will be the thr...
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