1/2/4pcs 1/4 1/2 Shank T-Slot Cutter Router Bit for Bolt Woodworking Chisel
Shank: 1/4" 1/2". 6mm-100mm Diamond Hole Saw Cutter Drill Bit Set for Tile Glass Ceramic Marble. and keyholes for hanging projects. routing the T-slot to reduce the stress on the bit. T-slot cuts produce a lot of wood.