These are $2.33 each, so $51.26 total for my build. You simply plug it in, and tighten it using a 1/4″ ball hex end driver. For the frame that was shown in the introductory post, there were 11 15-series members that needed 2 counterbores each (one at each end), for a total cost of $36.30, or $1.65 each.įor the fastener itself, there is kit that consists of the anchor, screw, and a drop-in T-Nut.
