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