The video demonstrates various techniques for removing rounded Allen bolts. The speaker emphasizes the importance of cleaning the bolt head before attempting removal, using a good quality Allen key, and ensuring the correct type of key is used. Techniques shown include:
* Shocking the bolt with a punch and hammer to loosen it
* Applying heat or penetrant to loosen the bond
* Using a left-handed drill bit to extract the screw
* Drilling the head off and using pliers to remove the remaining bolt
* Using a screw extractor as a last resort
* Using a center punch to create an indentation and then knocking it loose
* Applying thread locker to the bolt and then using a wrench to loosen it
The speaker also notes that some bolts are easier to remove than others, such as socket head bolts, and that safety glasses should be worn when attempting to remove rounded bolts.
Here are the key facts extracted from the text:
1. There are different types of balls that use an Allen key or a hex key to undo them.
2. Counter sunk, butt, cap head, and socket head are some common types of bolts.
3. Before attempting to remove a bolt using an Allen key, it's essential to clean out the peg to remove dirt.
4. Using a small screwdriver can help clean out the head of the bolt.
5. It's crucial to use a good quality Allen key, as cheap ones can be unreliable.
6. Metric and imperial Allen keys are different and should be used accordingly.
7. Using the wrong type of Allen key can damage the bolt.
8. Safety glasses are necessary when performing some techniques.
9. Shocking the bolt can help loosen it.
10. Applying heat to the bolt or surrounding area can help loosen the bond.
11. Thread Locker can make it difficult to remove a bolt.
12. Drilling out a bolt can be done using a cobalt drill bit or a solid carbide bit.
13. Drilling fluid can help keep the bit cool during drilling.
14. Using a screw extractor can be a last resort to remove a stuck bolt.
15. A center punch can be used to create an indentation in a rounded bolt head.
16. A grub screw extractor can be used to extract small bolts.
17. Some bolts can be removed using a left-handed drill bit.
18. Welding a nut onto the bolt can be an effective way to remove it.
19. Counterbored bolts can be challenging to remove.
20. Using pliers or grips can help remove a bolt once it's been loosened.