Bores a hole in the back of a picture frame or plaque creating an interior lip to hold the head of a nail or screw.
Large diameter: 1/2" Small diameter: 5/16" Maximum depth: 7/16" Shank: 1/2"
Other Items from Router Bits Bearing Guide, 3/16" x 7/8" - Wide Ogee Bit - 1/4" Shank - 1/2" Flush Trim Bit - 1/2" Shank - 1/2" Quirk Bead Bit - 1/2" Shank - 3/8" Straight Router Bit - 1/2" Shank - 7/16" Straight Router Bit - 1/2" Shank - 1/2" Straight Router Bit - 1/2" Shank - 1/2" Straight Router Bit - 1/2" Shank, 2" Carbide Height - 5/8" Straight Router Bit - 1/2" Shank - 11/16" Straight Router Bit - 1/2" Shank - 3/4" Straight Router Bit - 1/2" Shank -