On the Internet you can find different versions of home-made center finders, but in this case, the author suggests making with your own hands not only a simple, but also a universal center finder.
With this tool, you can quickly find the center both on wooden workpieces and on metal parts. Moreover, the homemade center finder has an adjustment in width, which is very convenient.
First, you need to cut off a piece of a square bar 10x10 mm long by a grinder of about 20-25 cm in length. Next, you will need to mark and drill seven holes in 2.5-3 cm increments. In all holes except the central one, you need to cut the thread.
The process of manufacturing a universal center finder
Perpendicular to the central hole (on the other side of the square bar), it is necessary to drill another hole and cut a thread into it for the fixing bolt.
The master uses two long bolts as 2 lateral stops, having previously cut off their hats and part of the thread. Actually, the homemade product is ready for this, and you can try it in practice.
To find the center on metal blanks, you can use a metal scriber or punch. Yes, and the car valve is also suitable. When working with wooden workpieces, a regular pencil is fixed in the central hole.
For more information on how to make a convenient and easy to use universal center finder with the ability to adjust the width, see the video on our website.