V2 type (GB/T 229-2007), U2, U3, U5 type (GB/T 229-2007) (2mm type is with machine, 3, 5mm type is alternative). 1. Impact specimen gap broaching machine is necessary and special equipment of metallurgy, pressure vessel, vehicles and vessels, construction machinery manufacture industries and departments of science & research.2. So far this kind of machine includes impact specimen gap manual broaching machine (single knife), impact specimen gap power-driven broaching machine (double knifes), impact specimen gap hydraulic broaching machine and so on. This product satisfies GB/T229-2007

