for starting threads - either second or bottoming taps should used after to achieve desire thread depth
4 broaches and 9 plain bushings
Three Flute Countersink 90 degrees
Multisize Rubberflex collet to suit Tapmatic Tapping Attachments with Rubberflex Collet Spindles with a capacity from M5 - M18 (#10 - 3/4"-16TPI)
7/16" Rotacut Sheet Metal Hole Cutter 3/8-24 Thread 1/4" DOC 11112 3651120 for starting threads - eitherRotaCut'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,