... tools and blanks: 1. Long working life. 2. Uniform surface finish. 3. Reduces machine down time. The working life of ... micron, 25 micron, and so on, mostly used for high precision cutting of non-ferrous metal (copper, aluminum, alloy ), finish ... synthetic fibre, graphite materials), and wear resistance materials for surveying instruments, steering equipment, and supporting tools etc. PCD Cutting Tool ...