AT402 Dumbbell Sample Milling Machine is designed for the purpose of preparing dumbbell-shaped non-metallic test specimens. 

★ Do not need to repeat confirm the knife, improve work efficiency
★ The shape and size of the sample are controlled by the equipment, avoiding the differences in the sampling caused by of different user
★ Equipped with a vacuum cleaner, to ensure that the preparation process of the environment clean
★ Smooth and no burr on the cutting surface of the specimen, which avoids the influence of the processing defects on the tensile test results