NOTE: 3-1/8",
3-1/4", and 4" bits are available with 1/2" shanks for
light duty applications that do not overstress the
shank. 1/2" shanks in these larger diameter bits are not
recommended for medium and heavy duty applications. Bits
2-1/4" through 3" are furnished with 2-1/4" long
reinforced shaft and 1/2" x 2-3/4"
shank. |