Ti-NAMITE-A is preferred for high speed and dry cutting and recommended for the machining of cast iron
HSS Left Hand Cutting Jobber Drill
The harmonics produce a frequency that resonates through the entire end mill
* Leg assembly locks in any position by hand-tightening the knurled locknut
1-1/8" Rotacut Sheet Metal Hole Cutter 1/2-20 Thread 1/2" DOC 11156 783403 Ti-NAMITE-A is preferred for highRotaCut's are far superior to twist drills and hole saws. They cut 3x faster and last 10x longer, plus there's no comparison in quality. Use with either 2630220 or 2630200 Arbors. Use with hand held drills or drill presses with a 3 8" or 1 2" chuck for holes in sheet metal, plate materials, and plastics up to 1 4" thick. Ideal for: Electrical, Piping, Conduit Work, Sheetmetal Fabrication, Spotweld Removal, Maintenance Installations, HVAC, PHCC,