Chamfer. Beschrijving. 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. Length. . T-Slot Frezen; MateriaalTungsten Cobalt Alloy; Merknaamlavie. Length. Beschrijving. Depth. Width. Bottom radius. Chamfer. Bottom radius. LAVIE 1pcs 1/4" 6mm Shank T-Slot Cutter Router Bit Hex Bolt Keyhole Knife. 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.