Tom Watson wrote:

[snip]
Get a socket from a 1/4' socket set and fit it to the auger bit base.
Buy a short extension and whack the fat part off. Chuck up the
modified extension.

If the small width of the taper is like my Irwin's, you'll be good to
go.

Sockets vary in length, so take the auger to the store to match it up.

Turn it real slow.

You can buy drill to socket driver bits in 1/4" and 3/8" and presumably
larger. I picked up one at the local Orange borg for a buck.
mahalo,
jo4hn