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