Electric Prop Adaptors with Spinners

3.17mm / 8mm Domed Nut for electric motor shafts. The shaft is 20mm long from the plate that the prop sits against to teh end of the thread and the shaft is 8mm diameter.

Specification
• Motor Shaft Size - 4.00mm
• Prop Hole Size - 6.5mm
• Spinner Length - 19.0mm
• Max Prop Thickness - 11.0mm

Specification
• Motor Shaft Size - 5.00mm
• Prop Hole Size - 8.0mm
• Spinner Length - 25.0mm
• Max Prop Thickness - 18.0mm

Specification
• Motor Shaft Size - 6.00mm
• Prop Hole Size - 8.0mm
• Spinner Length - 25.0mm
• Max Prop Thickness - 18.0mm