These Graupner propeller adaptors are made of tough nylon material. Each adaptor is identified by code numbers, below.
Adapter No. 1
Outside Diameter: 9.9mm
Inside diameter: 6.5mm
Height: 2.5mm
For propellers with bore. θ 6.5 / 10 mm
Adapter No. 2
Outside Diameter: 9.9mm
Inside diameter 6.1mm
Height: 2.5mm
For air screws with bore. θ 6.5 / 10 mm
For engines with a threaded shaft M6
Adapter No. 3
Outside Diameter: 9.9mm
Inside diameter 5.6mm
Height: 2.5mm
For air screws with bore. θ 6.5 / 10 mm
For engines with a threaded shaft 12 – 32 UNEF
Adapter No. 4
Outside Diameter: 9.9mm
Inside diameter 5.1mm
Height: 2.5mm
For air screws with bore. θ 6.5/10mm
For engines with M5 threaded shaft
Adapter No. 5
Outside Diameter: 6.0mm
Inside diameter: 3.3mm
Height: 2.5mm
For air screws with bore. θ 4.8/6.1mm
For engines with a threaded shaft 5-40
Adapter No. 6
Outside Diameter: 4.8mm
Inside diameter: 3.6mm
Height: 4.5mm
For air screws with bore. θ 4.8/6.1mm
For engines with a threaded shaft 6-32