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displacer Ø72 × 6, Ø2 rod bore (2 mm radial gap to the Ø76 chamber

displacer Ø72 × 6, Ø2 rod bore (2 mm radial gap to the Ø76 chamber: designed; 1 mm end gaps at the ends of its 15 mm stroke)

Exact dimensions. True size, no printing tolerance added. Threads are plain cylinders at the major diameter.

STEP STL free, CC BY 4.0 (credit "Xem Studio")

Dimensions

feature	displacer
value	Ø72 × 6

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From the full sheet

Flat disc Ø72 × 6 with a Ø2 rod bore: every size, notes, mating features and sources. What thin disc fits a 76 mm chamber on a 2 mm rod?