Catalog sockets cover the common cases well. The decision to go custom turns on a handful of factors: whether your package has an off-the-shelf option at all, whether standard contact force damages the device, temperature range, and the lead time your ramp can tolerate. This framework helps you decide before you spend. (Full article to follow.)
Custom-vs-catalog decision-tree graphic
Asset to be produced — see Visual Asset Plan
Have a socket like this on your bench?