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Also known as Tap-Flex screws , these are made from hardened steel hererate hard material. They have a five-edged shank that presses tightly against the material to form threads and resist loosening. Old Auto Rubber , new replacement rubber for old cars. Rover Cars and Rover Parts in Australia From windscreen seals, door seals pedal rubbers and quarter vent seals. Distributors of plastic cable ties, snap rivets and PCB fasteners, nylon screws , washers and spacers and wire management to OEM, trade and retail.

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A propeller is a type of fan that transmits power by converting rotational motion into thrust.A pressure difference is produced between the forward and rear surfaces of the airfoil-shaped blade, and a fluid (such as air or water) is accelerated behind the blade. Propeller dynamics, like those of aircraft wings, can be modelled by Bernoulli's principle and Newton's third law.