Well, I stand by my original post. We have had this door since we started our little flock - 3 yrs and counting. If we have it for 5 years w/out an issue, I will consider that a good buy at $38/year or about 10 cents a day.
We grease it regularly.
To the original poster - sorry for...
I am not sure where you got this information. I do know that the screw drive is made of hardened metal - I don't know if it is lead or not, but the motor will wear out before the screw/nut. It has been in our employ since we got our flock and we have have zero quality issues with it. Super...