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