Product Review

The product is IRWIN round shank HSS Countersink drill bit, 1/2 in flute, 3/4 in. Milled and precision ground to 82 for Countersinking into most MACHIN able materials, including iron, steel, soft metals, plastic or wood. Includes a black Oxide finish for added corrosion resistance. Five flute design reduces vibration for smoother drilling and extended life.