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