Top-Hat Thread Repair

These things are amazing. You can rescue very expensive engine parts with the correct top-hat sleeve and good technique.

Time-Sert M10x1.5 Thread Repair kit #1015 by TIME-SERT
Time-Sert M10x1.5 Thread Repair kit #1015 by TIME-SERT
5.0
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Amazon.co.uk
Haosie Self Tapping Threaded Inserts, 50PCS Stainless Steel Thread Repair Insert, M3 M4 M5 M6 M8 M10 M12 Thread Insert Kit for Thread Repair
Haosie Self Tapping Threaded Inserts, 50PCS Stainless Steel Thread Repair Insert, M3 M4 M5 M6 M8 M10 M12 Thread Insert Kit for Thread Repair
4.0
£14.69
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Amazon.co.uk
TIME-SERT M8x1.25 thread repair kit #1812
TIME-SERT M8x1.25 thread repair kit #1812
5.0
£185.52
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Amazon.co.uk
Amazon price updated: 2025-05-31 21:06

Use to...

• Repair a crossed thread.

• Replace a stripped thread.

Buying Tips

• Pay attention to thread pitch as well as diameter.

• Consider a kit with a matching drill bit.

• Some kits come with an insertion tool.

Safety Tips

• Always wear eye-protection

• Consider impact-protection