Sorry no bolts just motor mount.
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JX PDI-2504MG 25g RC MINI Metal Gear Digital Micro Servo for RC 450 500 Helicopter Fixed-wing Airplane RC Car Robot RC Models
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RC Helicopter UH-1B 450 Pre-Painted fuselage for 450 size helicopters.Suitable for almost all 450 size(325mm rotor blade) helicopters, such as Bell UH-1B Huey glass fiber scale fuselage in premium quality and finish.
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Aliexpress UK