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. |