Irwin Speedbor Wood Bit, 0.75 x 16-In.
Extra long flat bit. Grooved hex shank prevents slipping in drill chuck. Double spurs scribe the outside of the hole which reduces "break out". Not for use with bit extensions.
Extra long flat bit. Grooved hex shank prevents slipping in drill chuck. Double spurs scribe the outside of the hole which reduces "break out". Not for use with bit extensions.
