... hole cutting, hydraulic hand punch operated. round hole punch tool dies set, for steel hole punching, metal plate hole ... cutting, hydraulic hand punch operated.Our factory standard settings:Group A:Round hole dies 16mm, 20mm, 26mm, 32.5mm, ... dies 22mm, 27.5mm, 34mm, 43mm, 49mm, 60.8mm.Group C:Round hole dies 63mm, 76mm, 80mm, 89mm, 100mm, ... for visiting our alibaba shop. round hole punch tool