The LNK is a range of inserts provided by Seco Tools. Features of the LNK 05, 06, and 08 inserts: • Very tough inserts designed for weaker machines or unstable machining conditions these cutters have fewer teeth en......The LNK is a range of inserts provided by Seco Tools. Features of the LNK 05, 06, and 08 inserts: • Very tough inserts designed for weaker machines or unstable machining conditions these cutters have fewer teeth engaged in the cutting process • Surface finish below Ra