Round screw punch BASIC suitable for: Sheet steel (ST 37), plastic and aluminum. Operation: Manual and hydraulic Design: With punch, die and ball bearing tension screw (encapsulated) Design: With punch, die and ball bearing tension screw (encapsulated): Nominal size 40, hole 40.5 mm diameter, screw size 19.0 x 55.0 mm Pre-drill 20.4 mm diameter, max. material thickness 3.0 mm
