13 Piece Set.
A convenient kit for the workbench or truck, this CRL Drill N Tap Lock and Hardware Threading Set contains six 135º degree split point machine length wire gauge high speed drill bits, with six threading taps.
Use them to drill and tap holes for: kick plates, push-pull plates, mortise lock escutcheons, cabinet hardware, lock strikes, 3-1/2, 4 and 4-1/2 inch (88.9, 101.6 and 114.3 millimeter) butt hinges, preparing butt hinges for fixed NRP pins, fastening closers to door jamb, and re-threading door pulls.
Comes in an unbreakable, hinged plastic case with easy to read tap-drill chart.