7/8 X 4 1/4" Hex Shank- 1 1/8"Bit 21"DD
The Whirlibit is a carbide inserted chisel tip accessory tool designed specifically for dowel hole drilling. Drilling hole size ranges from 1/2" to 1 1/2", with drilling depths made to your requirements. Whirlibits are available in both the Shanked Steel Whirlibit and the C-9 Whirlibit.
