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How to Repair Plastic Threads

How to Repair Plastic Threads
Written By
Steve Sloane
Steve Sloane
Published: Sep 14, 2010
Updated: Nov 20, 2021
1 minute read

  1. Insert the correct-sized tap into the beginning of the threaded hole. Slowly turn the tap clockwise one quarter turn.

  2. Turn the tap counter-clockwise to remove any plastic shavings.

  3. Turn the tap another clockwise quarter turn, before turning it counter-clockwise as before. Repeat this process until the plastic thread has been fully rethreaded. Remove the tap and slowly install the screw/bolt into the newly-threaded hole.

References

Tips

Make sure that the tap is inserted into the thread hole at 90-degrees to the hole and that the correct diameter tap thread is used. Note that the tap thread is tapered at the end to allow easier access into the hole.

Photo Credits

two screws image by alri from Fotolia.com
Steve Sloane

Steve Sloane started working as a freelance writer in 2007. He has written articles for various websites, using more than a decade of DIY experience to cover mostly construction-related topics. He also writes movie reviews for Inland…

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