kirby bucket mixer

When i made mine i got the brass fitting from a plumbing store. I took a Hex (allen ) wrench that fit tightly inside and cut off ( L )  at the bend so that it would fit up inside the brass fitting. I cleaned up the 2 different metals with sand paper so that i could braze  or solder the Hex to the inside. The biggest problem was making sure that it was absolutely straight so you don't have a wobble when turning at higher speeds. 

Does anyone have any better description on parts? I am assuming Kirby is not selling these or someone would have posted it.

• So, I am assuming guys are buying two cutting boards and one to snap the bucket too and one to cut the blade.
• Assuming that is a 3/8" metal pipe as the guide and a 1/2" PVC pipe to attach the blade.
• So the blade needs to be tapped with 1/2" pipe thread die then.
  
• The brass fitting is just a 1/2 NPT to 1/4" hole line fitting or similar

Why is the one screwed to the blade? Why not just glue a second piece to it and tape the entire thing?

Any better plans for this? I can only find Kirby's youtube video of using it to mix hotdogs, so I am assuming it emulsifies it somewhat.