SEM stub extensions for Hitachi, 9-25mm and locking nuts

Hitachi stub extensions are stackable M4 threaded (top and bottom) extensions for shorter working distance in SEM. They come in various sizes and materials. Material: brass with stainless steel M4 threaded

Sizes:

  • 9mm length with 2mm thick and 30mm ⌀ locking nut
  • 12mm length with 4mm thick 16mm ⌀ locking nut
  • 18mm length with 4mm thick with 16mm ⌀ locking nut
  • 25mm length with 4mm thick 16mm ⌀ locking nut
  • 2mm thick and 30mm ⌀ locking nut
  • 4mm thick 16mm ⌀ locking nut

Shown with T-base, not included.

Updated: 04-06-2026
Code Size Locking Nut Pack Size Availability Price Updated: 04-06-2026
GTP15365-2 18mm 4mm x 16mm dia Each 0 in stock (?) $125.00 AUD
GTP15373-2 12mm 4mm x 16mm dia Each 0 in stock (?) $125.00 AUD
GTP15373-21 9mm 2mm x 30mm dia. Each 0 in stock (?) $125.00 AUD
GTP15373-22 None 4mm x 16mm dia Each 0 in stock (?) $64.00 AUD
GTP15373-23 None 2mm x 30mm dia. Each 0 in stock (?) $64.00 AUD
GTP15374-2 25mm 4mm x 16mm dia Each 0 in stock (?) $125.00 AUD