What to do if the thread of the phillips countersunk head machine screws is damaged？
Feb 21,2023 /
Use a tap and die set: If the damage to the screw's threads is not too severe, it may be possible to restore them using a tap and die set. A tap is a tool that creates or restores threads in a hole, while a die is a tool that creates or restores threads on a rod or screw. You will need to use the appropriate size of tap or die for the screw in question.
Use a thread repair insert: If the damage to the screw's threads is more severe, a thread repair insert, such as a Helicoil, may be necessary. This involves drilling out the damaged threads, tapping the hole to a larger size, and then installing a threaded insert to restore the original thread size.
Replace the screw: If the damage to the screw is too severe, it may be best to simply replace it with a new one.
In any case, it is important to ensure that the replacement screw or repaired threads are the same size and pitch as the original screw, to ensure that the screw can be securely fastened and will not come loose over time.