precision CNC ground S&D spiral bits
American made bits ground in America by Ken Lamb
1/2″ diameter shank
English profile is a round tip
Danish profile is more of a conical tip
Bullnose has a tapered tip, taper runs these lengths for each diameter;
11/16″D – 1″L
3/4″D – 1.25″L
13/16″D – 1.5″L
7/8″D – 1.75″L
