CNC Shaft Coupler Flexible Plum Spider Jaw Coupling Stepper Motor Ø 35 40 45 mm Bore (d1×d2) & Amount (Pcs):12mm×12mm & 1 Pcs ⚡ High-quality Material：

⚡ High-quality Material：

and general DIY tasks

while the secondary lip acts as a dust and debris exclusion barrier

How does the ventilation system work

05mm difference matters in precision applications where the bearing race is machined to a tight tolerance

CNC Shaft Coupler Flexible Plum Spider Jaw Coupling Stepper Motor Ø 35 40 45 mm Bore (d1×d2) & Amount (Pcs):12mm×12mm & 1 Pcs ⚡ High-quality Material：CNC Shaft Coupler Flexible Jaw Coupling Precision Motion for Stepper & Servo Motors When a rigid coupling transmits every vibration and micro misalignment directly into your motor bearings, precision suffers and components wear prematurely. Engineers and CNC builders who demand smooth, low backlash power transmission rely on flexible jaw couplings to absorb angular, parallel, and axial misalignment without sacrificing torque capacity. This flexible