The Drill Doctor SB - a precision machine that sharpens both Spade and Twist drill bits. This allows you to keep working on your project and save money by not buying new drill bits.The twist bit sharpening module uses a long lasting diamond grinding wheel that sharpens a wide variety of bits from 3/32” – 1/2". This includes high-speed steel (HSS), cobalt, TiN-coated bits and masonry bits. The spade bit module uses an industrial grade profiled, vitrified wheel to sharpen spade bits from 1/4" – 1 ½”, including specialty spade bits with screw points and spurs.
