Shaft Ø8 × 100 with a 2 × 1 keyway (60 mm) — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/keyed-shaft-8x100-key2/  (sheet CC BY 4.0; files Xem Studio Design License, https://xemstudio.com/license/)
Basis: Xem Studio design following Brown's figure (1868); true size, no printing allowance
Catalog version: 2026-10-20

Overall (mm): length 8.0, width 8.0, height 100.0
- Ø8 × 100 shaft with a 2 mm wide, 1 mm deep keyway over its last 60 mm for a 2 × 2 feather key, on which a clutch half can slide but not turn.
- Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features).

dimension  value
shaft  Ø8 × 100
keyway  2 × 1 × 60

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- Henry T. Brown (1868, public domain): Five Hundred and Seven Mechanical Movements — scan on archive.org — web — Publisher's page; dimensions are facts — https://archive.org/details/fivehundredseven00browiala
- 507movements.com: Brown's movement No. 47: figure, his text and an animation — web — Publisher's page; dimensions are facts — https://507movements.com/mm_047.html
- Xem Studio: drawing — web — Publisher's page; dimensions are facts — https://xemstudio.com/objects/pin-clutch-mechanism/

Free files (Xem Studio Design License, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/keyed-shaft-8x100-key2/index.json
API: https://xemstudio.com/api/geometry?object=keyed-shaft-8x100-key2