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