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5-to-8 mm Set-Screw Shaft Coupler
A 20 mm OD x 34 mm rigid coupler joining a 5 mm NEMA 17 motor shaft (5.2 mm bore) to an 8 mm rod or T8 leadscrew (8.2 mm bore). A 3 mm internal wall stops both shafts, and each end is clamped by an M3 set screw threaded into a captured M3 hex nut.
🧩 Part of the NEMA17 Leadscrew Push-Pull Actuator (motor shaft to T8 leadscrew coupler) kit.
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