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