I have this bolt, which has 8.8 CW stamped on the end. I want to extend the thread. Which tap and die thing do I need?
Depending on what your planned use is I would suggest against cutting more threads. The existing ones will be rolled threads and stronger than what you can cut. Almost certainly cheaper to buy a new bolt.
OK cheers
@hamrack started
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I have this bolt, which has 8.8 CW stamped on the end. I want to extend the thread. Which tap and die thing do I need?