Another option is Bulgin pins. I’ve used both male and female to construct TX2575 plug-ins for Pass Labs and Atmasphere phono preamps. They use high-quality gold plating over solid copper. They come in 10-packs and three pin diameters. Here are some typical p/n’s at Allied Electronics:
565-0058 SA3350
565-0059 SA3347
565-0060 SA3348
565-6003 SA3349