Crosshead guide, Ø8 bore × 30 — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/crosshead-guide-8mm/  (CC BY 4.0)
Basis: Bore at the Ø8 crosshead (fit: run); M3 clearance Ø3.4 (ISO 273)
Catalog version: 2026-10-20

Sizes: see table below
- A tube Ø16 outside with a Ø8 bore, 30 long, that the Ø8 crosshead runs in (fit: run).
- A 32 × 10 × 4 flange at its base has 2 × Ø3.4 holes 22 mm apart for M3 screws.

parameter  value
bore  8
outside  16
length  30
flange  32 × 10 × 4
holes  2 × Ø3.4 at 22

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- Wikipedia: Crosshead — web — CC BY-SA 4.0 (text) — https://en.wikipedia.org/wiki/Crosshead
- Wikipedia: Piston — web — CC BY-SA 4.0 (text) — https://en.wikipedia.org/wiki/Piston
- James R. Senft: Miniature Stirling engine piston fits (LTD book) — book — reference [verify license at link] — https://www.stirlingengine.com/
- Long Earth Society: Engine builds — web, video — LES site — https://longearthsociety.com/engineering/

Free files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/crosshead-guide-8mm/index.json
API: https://xemstudio.com/api/geometry?object=crosshead-guide-8mm