Century Drill and Tool. Best drill: 17/32". Heat treated and tempered for file hard threads and longer useful life.
Century Drill & Tool 17916 Stubby Drill,
Century Drill & Tool 17906 Stubby Drill Bit,
Century Drill & Tool 17912 Stubby Drill Bit,
Century Drill & Tool 27200 Step Drill #1, 1/8" - 1/2"
Century Drill & Tool 17920 Stubby Drill Bit,
Century Drill & Tool 27203 Step Drill #4, 3/16" - 7/8"
