Antenna or prism mount for fence posts
I’ve been working at mapping my wife’s farm land, which consists of several parcels that do not align with the roads or streams. I wanted to have repeatable points on fence corners and splits, so used a couple 5/8-11 bolts drilled to fit headless nails. It could be done in a drill press but I had a friend do them on a lathe for better centering. I cut the heads off 16d nails and chamfer them to allow for a little mushrooming when driven. If the nail doesn’t come out plumb you can still use the bolt to bend it a little without binding in the hole.
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