Slot features are similar to rectangular pockets but have round ends equal in diameter to the width of the slot. Bottom radius. T-Slot Frezen; MateriaalTungsten Cobalt Alloy; Merknaamlavie. Beschrijving. Length. Width. Bottom radius. Beschrijving. Chamfer. Length. 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. Depth. Slot features are similar to rectangular pockets but have round ends equal in diameter to the width of the slot. Depth. . Width. T-Slot Frezen; MateriaalTungsten Cobalt Alloy; Merknaamlavie. Chamfer.