A Self Centering Scriber for marking metal bars

Last Revised: October 22, 2023

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This self centering scriber works for material widths from about 1/8 inch to about 2 inches.
Self Centering Scriber

If you make one, and the scriber isn't centered perfectly, just reverse it and scribe again. The center will be half way between the two lines you make.

A friend of mine scaled it up so the pivot pins are about 4 inches apart since he works on wider stock.

In order to get the holes centered, I made a drilling fixture and have made dozens of these using it. But, the hot rolled stock that I have been using isn't all that accurate, so I have to be careful. Cold rolled stock would be a better choice.