Best Crack Repairing Inserts

3/8-24UNF Thread Repair Kit: Contains 15 inserts (1.5deep) Tap, Drill Bit, and tool.
Reviews
Find Best Price at Amazon"A complete and good quality kit."

' Helical Thread Repair Kit, Free Running, 304 Stainless Steel, 7/16-20, Length 0.657", Thread Type UNF, Number of Pieces 10, Application For Metal, Includes HSS STI Tap, Installation Tool, 29/64" HSS Drill Bit And 10 Inserts '.
Reviews
Find Best Price at Amazon"Tap broke 4 after 4 turns."

1/2"-20UNF Thread Repair Kit: Contains 10 inserts (1.5deep) Tap, Drill Bit, and tool.
Find Best Price at AmazonBest Tapping Inserts

For use in plastics, light metal alloys and hard wood.
Reviews
Find Best Price at Amazon"They were easy to install and of good grade SS for boat applications."
Best Thread Locking Inserts

E-Z LOK threaded inserts for metal provide an easy to use solution for repairing or reinforcing threaded holes in metal.
Reviews
Find Best Price at Amazon"I started by using the EZ-Lok threaded coil repair kits prior to these externally threaded insert. The coil repair kits did not work twice and every time I repaired one and torqued it tight, the threaded coil will slip and not hold!"
Best Heat Set Inserts
![[initeq] Qty 100 #8-32 8-32 Threaded Heat Set Inserts for 3D Printing](https://images-na.ssl-images-amazon.com/images/I/81DrngAjfWL._SS600_.jpg)
This means that you can create products larger than the print volume your printer supports, and that failed prints often result in less waste due to only one part of a larger assembly failing. Enter your model number to make sure this fits.
Reviews
Find Best Price at Amazon"Great quality and hold extremely well."
Best Press-In Inserts

Quickly install threaded holes in metal, plastic, fiberglass or any other rigid material with a minimum thickness of 3/32 inch (2.3812mm for metric sizes).
Find Best Price at AmazonBest Helical Threaded Inserts

Threaded Inserts-10 Pack. Replaces stripped spark plug threads on Ford V10, 4.6 and 5.4 liter engines.
Reviews
Find Best Price at Amazon"Product was just as described."
Best Externally Threaded Inserts

The E-Z LOK threaded inserts kit for metal is a 46-piece set of solid, heavy wall, carbon steel, self-locking, unified coarse thread inserts for use in metal, packaged in a case with a compartment for each of five different sizes: 10-24, 1/4-20, 5/16-18, 3/8-16, and 1/2-13. Full Thread Depth. 10. 329-3. 10-24. 3/8-16. 0.406. 5/16. 3/8-16. 15/32. 10. 329-4. 1/4-20. 7/16-14. 0.437. 23/64. 7/16-14. 1/2. 10. 329-5. 5/16-18. 1/2-13. 0.484. 27/64. 1/2-13. 9/16. 10. 329-6. 3/8-16. 9/16-12. 0.515. 31/64. 9/16-12. 19/32. 6. 329-8. 1/2-13. 3/4-10. 0.656. 21/32. 3/4-10. 3/4. Externally threaded inserts are used to repair a hole with stripped threads, or to install a new threaded hole.
Reviews
Find Best Price at Amazon"These are truly professional coils."
"Fast and easy way to replace stripped out threads. Just drill out the threads, re-thread with new tap size and install E-Z LOK."