Lenox
4-1/2" diameter, bi-metal hole saw, vari-tooth design, 1-1/2" cutting depth.
Century Drill and Tool Wire Gauge Drill Bit Number 7
Century Drill and Tool Tap Metric Carbon Steel 5.0x0.80
Century Drill and Tool Tap Metric Carbon Steel 10.0x1.25
Century Drill and Tool Carbon Steel Plug Tap 1/4-28 Nc
Century Drill & Tool Wire Gauge Drill Bit Number 29