Peg clutch collar Ø16 × 8, Ø5 bore, Ø3 peg hole at 5.5 mm — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/peg-clutch-collar-d16x8-b5/  (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 16.0, width 16.0, height 8.0
- Ø16 × 8 collar fixed on the Ø5 shaft with a Ø3 axial hole 5.5 mm from the axis for a dowel peg that stands proud of its face; the sliding pulley's peg strikes it.
- Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features).

dimension  value
collar  Ø16 × 8 mm
bore  Ø5
peg hole  Ø3 at r = 5.5

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. 361: figure, his text and an animation — web — Publisher's page; dimensions are facts — https://507movements.com/mm_361.html
- Xem Studio: drawing — web — Publisher's page; dimensions are facts — https://xemstudio.com/objects/peg-clutch-mechanism/

Free files (Xem Studio Design License, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/peg-clutch-collar-d16x8-b5/index.json
API: https://xemstudio.com/api/geometry?object=peg-clutch-collar-d16x8-b5