Auger Bit with Replaceable Tip: U.S. Patent # 5,820,319

When the tip of the drill bit is damaged, the user just replaces the tip instead of buying a whole new bit, saving the user money.  The bit comes with an extra tip and allen wrench.

Inventor:  Wilbur Akley, 1215 Montello St., Reno, NV 89512; (775) 329-8026  E-mail: [email protected]