1. Considering that the size of the hexagonal bar on the market is not too accurate, we processed the hexagonal bar by wire cutting machine. <br>2. If the two ends of the hexagonal bar are not allowed to leave a center hole, we can cut it off with a wire cutting machine at the end. <br>3. You can also provide the appropriate hardness value and hardened layer depth of the hexagonal bar, so that we can choose a more suitable process to complete it.
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