Hollow hole diagonal:67mm
Diagonal of thread hole:67mm
Positive diameter of the middle hole:38mm
Flange diameter on the back of the middle hole:43.5mm
5 x 56*56*10mm stepper motor shock absorber
5Pcs 56*56*10mm 57 Stepper Motor Damper Shock Absorber Ring Nema23 Mount Bracket for 3D Printer CNC Part
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