The drills are made with a general purpose flute design which will perform satisfactorily under the widest range of operating conditions and materials. The drilling of such holes generally requires the use of an Extra Length Drill.Because of the inaccessibility or the extreme depth of a hole, it is found that even long series drills are not long enough..
.33"x22" Drop-in 60/40 Dbl Bowl 16Ga Zero Radius Topmnt SS Kitchen Sink The deep, square bowls and zero-radius corners of the Tirana series will easily drop into the trendiest of kitchens. Each Tirana sink comes pre-drilled with a single hole for faucet installation.