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