"W" wrote:

I am looking for a super-wide plant drill bit, hopefully a minimum of five
inches wide. Here is one that is 2.75 inch wide:

http://www.amazon.com/Yard-Butler-IR.../dp/B00EOMCM4W

Does anyone know of an ultra-wide drill bit?

What are you planting, fence posts?
http://www.northerntool.com/shop/too... earth%2Bauger