DanG wrote:
Stay with Apex brand by Cooper tools.

You are probably referring to their ACR bits.

http://www.coopertools.com/brands/fastening/index.cfm

open up the catalog for fastener tools


Nice stuff. _Industrial_ quality. Fastenal carries them. Here's a #2
ACR for only $1.22 EACH:
http://www.fastenal.com/web/products...0213944&ucst=t

Bob