Differential screw, M8×1.25 / M8×1 (concept rod) — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/differential-screw-m8/  (CC BY 4.0)
Basis: Xem Studio drawing
Catalog version: 2026-10-20

Sizes: see table below
- One rod with two threads of slightly different pitch (here 1.25 and 1.0 mm): turning it once moves one nut relative to the other by the difference, 0.25 mm.

dimension  value
pitch A  1.25 mm
pitch B  1.0 mm
advance per turn  0.25 mm

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- Xem Studio: drawing — web — Publisher's page; dimensions are facts — https://xemstudio.com/objects/differential-screw-mechanism/

Xem Studio scan: not planned; the official CAD above covers it.
API: https://xemstudio.com/api/geometry?object=differential-screw-m8