Unlock an incredible welding technique that uses just a spark plug and a 12V battery! This easy-to-learn method allows you to weld metal effectively without the need for expensive equipment. Watch as ...

Construct a Self-made Spark Plug Welding Machine. Posted: April 4, 2025 | Last updated: April 4, 2025. In this video, learn how to create a simple yet effective welding machine using spark plugs!