11.55mm (.4547") Cobalt Screw Machine Drill Flat Bottom Radius .0075" MF00301297

Diameter .4547" +.002" / -.001"

Radius .0075" +/-.0025"

Length of Flute 2.000" +/-.250"

Overall Length 3.500" +/-.250"

Flat Bottom Center Cutting

Shank Diameter 15/32"