Pittsburgh Lock Formers / Rollformers are principally used for joining sheet metal on duct sections, available in 16swg (1.6mm) and 20swg (1.0mm) capacities.
Button Punch Snap Lock Rollformers are available in 20swg (1.0mm) capacity. This machine produces a flange and punched louvers and the duct is ‘snapped’ together.
Double Extended Shaft Rollformers are 9 station machines onto which many auxiliary rolls can be fitted. Rolls such as Pittsburgh Lock, double seam, drive cleat and more.