Annular cutters made with super tough M2AL high speed steel (HSS)
11 HSS core drill bit cutting tool assortment set with Outside Diameter in inches: 7/16",1/2",9/16",11/16",5/8",3/4",13/16",7/8",15/16",1",1-1/16",1 inch cutting depth for each drill cutter
CNC-machined high precision annular drill bit set with 3/4 inch Weldon shank (with 2 flats) for secure clamping and edge finish
Designed for smooth, reamed, burr-free edges of drilled holes. Use a firm steady pressure throughout the cut for best results
Aluminum Sturdy box holding 11 annular bits, 2 pilot pins and a bonus hex wrench