Protected type flange coupling | Download Scientific Diagram Fixed hole thread diameter: M4., Thread diameter of chassis hole: 4mm. Package Content: 2 x Rigid Couplings. Specifications: Material: Aluminium Alloy., Color: Light Blue., Connection Diameter: 8mm., Length: 13mm., Outside Diameter: 32mm. Aluminum Alloy Coupling Aluminium Alloy Rigid Flange Coupling, Inner Dia 10mm Mini GT Type Flange Coupling Connectors Wear-Resistant Couplers, Silver, 32x13mm, 2 Pcs RC Motor Coupling Waga produktu. 50 Gramy ; Rozmiar. 6mm ; Liczba sztuk. 1 ; Producent. Aqxypas ; Type · Aluminium Alloy Flange Coupling... 4 x Cup Point Grub Screws 2 x Wrenchs Please note: The rigid flange coupling basically does not allow radial and axial displacement, and the position of the two shafts must be fully adjusted during use. Rigid Flange Coupling Inner Diameter 3 4 5 6 7 8 10 11 Connection Diameter: 8mm, Length: 13mm, Outside Diameter: 32mm., Thread Size: M4., Made of high quality aluminium alloy, hard, wear-resistant, and corrosion-resistant, durable.