They've always been sold as dowel rods or dowel pins, the difference being the length, with the pins usually coming in shorter, ready to use lengths and the rod coming in longer lengths, usually needing to be cut before use.
Regards, Tom.
"People funny. Life a funny thing." Sonny Liston
Thomas J.Watson - Cabinetmaker (ret.) tjwatson1ATcomcastDOTnet (real email)