2pcs 14 Shank Keyhole Router Bits Set T-Slot Milling

14 Keyhole Bit keyhole slot bit Use these to cut the hanging slots on the backs of awards and photo frames Makes a good slot Really don't know about or need a high degree of longevity keyhole slot hanger You need a router bit, as the removed wood below the slot is wider than the slot itself A drill won't spin it fast enough for a

keyhole slot dimensions Infinity Cutting Tools - Keyhole and T-Slot Router Bits More Info: