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