Bottom radius. Chamfer. LAVIE 1pcs 1/4" 6mm Shank T-Slot Cutter Router Bit Hex Bolt Keyhole Knife. Slot features are similar to rectangular pockets but have round ends equal in diameter to the width of the slot. Length. T-Slot Frezen; MateriaalTungsten Cobalt Alloy; Merknaamlavie. Depth. Beschrijving. Chamfer. Beschrijving. Width. Width. Length. LAVIE 1pcs 1/4" 6mm Shank T-Slot Cutter Router Bit Hex Bolt Keyhole Knife. Slot features are similar to rectangular pockets but have round ends equal in diameter to the width of the slot. Depth. T-Slot Frezen; MateriaalTungsten Cobalt Alloy; Merknaamlavie. . Bottom radius.