Where can I buy plastic blades and parts for a Certified Electric Hover Mower ?

SOURCE: Parts for Ariens Model Number FM626E

you need to get the model number from the mower body and verify that it is correct the age should not matter some hardware stores work primarily on ariens mowers hope this helps

SOURCE: Have misplaced my 'kneading blade' for TOASTMASTER Bread Maker.

Wow hard to find but they have it listed here!:
http://abtecparts.com/toastmaster_breadmaker_paddles.htm

SOURCE: can't get drive coupling off bosch unversal blender blade fixture

what you need to do is hold the blades with a towel to protect your hand, then, use a visegrips needle nose to grab the coupling (pushing the guard down) and twist it loose. It may be very tight, when I loosened mine, the plastic portion of the coupling pulled off leaving the metal "nut" tight to the shaft. Either way, remove the coupling/nut in the standard "lefty loosey" direction. Many thanks to the people at pleasanthillgrain.com for walking me through the process. Blessings to you.

SOURCE: The adjustable lock on the pole of my Remington

Use a hose clamp on the inner pole. Cheap/quick fix.

SOURCE: I have an old Black and Decker 18 electric mower

Here is the black and decker website:

http://www.blackanddecker.com/ProductGuide/CategoryOverview.aspx?cPath=1498.1670

Most the old models where 6 amps. 1/2 hp

You can get another one from ebay or craigslist