As a DIY enthusiast, I recently tried out some Indexable Inserts for my lathe machine. I was particularly impressed with the TCMT16T304 Triangular Tungsten Turning Inserts .These were incredibly durable and produced precise cuts on hard metal surfaces. As a result of my tests, I determined that they were definitely a good pick for anyone looking for quality cutting tools. However the only downside was that they were quite expensive. Nonetheless, I'd recommend them to anyone looking for top-of-the-range Industrial and Scientific cutting tools..