This allows you to use a metal cap screw that you can get at Harborfreight in the "Hex Cap Screw Assortment" box item #67586. It's allows for the use of a 5/16"-18 x 1" cap screw to be used.
https://www.harborfreight.com/106-piece-allen-head-cap-screw-set-67586.html
This is a single part of the beautiful nano vise set by PRIma.
Long_Ball_Joint_5-16x18.3mf | 475.0KB | |
Long_Ball_Joint_5-16x18.stl | 7.4MB |