EM-Tec ZR4 Zeiss pin stub adapter to M4 thread with support rim for larger stubs/holders

Description

EM-Tec ZR4 Zeiss pin stub adapter for Hitachi M4 with support rim. Suitable for larger SEM stubs and larger SEM holders with M4 thread. Used on Zeiss and LEO SEMs. Pin is standard 3.2mm diameter and 6mm long. The support rim has a 9mm diameter to give extra stability for larger SEM stubs and larger SEM holders. Machined from vacuum grade aluminium. Overall size is Ø9×11.5mm.