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