Wood Owl 05015 (4 Piece Set) Self Feed Boring Bits, 7/16" Quick Change Hex Shanks, Sizes Include 1-3/8", 1-1/2", 2-1/8" and 2-9/16

From the Manufacturer WoodOwl's Self-Feed Wood Boring Bits are designed with precise, hardened cutting edges that hold up cut after cut. Combined with an aggessive threaded lead screw that helps draw the bit into the work, the WoodOwl Self-Feed Bit offers maximum cutting ability with minimum fatigue. The 4-piece kit includes 1-3/8", 1-1/2", 2-1/8", 2-9/16" diameter bits.

• Up to 50% wider cutting tooth surface than other wood bits for added stability and truer holes.
• Chamfered back edge to easily extract the bit from the work.
• Machined lead screw with burr-free threads feed the bit through the wood at a consistent rate.
• Machined, straight shaft for bit concentricity to eliminate wobble and leave a truer hole.
• Quick-change shank for fast, secure change-out.