Crossed flat iron uses: measuring reference checking machine parts flatness, straightness and other geometric tolerances can also be used for grinding parts marking, installation of equipment and other purposes. Testing benchmarks mechanical parts are flat, parallelism, straightness tolerance and other forms can also be used for marking, welding and grinding processing and measurement of general parts and precision parts and so on. Cast crossed plate material: high-strength cast iron HT200-300 face hardness of HB170-240, after two manual processing (annealing 600 degrees -700 degrees artificial or natural aging 2-3 years) using the precision and stability of the product, wear good performance. Manager Tel: 15194701962 crossed flat iron Specification: 200 × 200-2000 × 4000mm (special specifications according to customers drawings made or agreed upon production and processing.) Crossed flat iron accuracy: according to the national standard verification procedures, were 0 , 1,2,3 four levels of our company is a large cast iron platform plant, experienced, skilled, welcomed the new and old customers to visit our factory, service hotline 0317 -8326905, welcome to buy, thank you! Ming Wang measuring (http://www.btmwlj.com/) welcomes you!