DURATOOL 970-0040 圆形手持冲孔工具, 20MM
The is a 20mm circular hand Hole Cutter with the friction reducing thrust bearings makes hole punching effortless. Punches and dies are made from case hardened steel to give reduce wear and give long life. A complete easy to use system enabling a wide variety of hole configurations to be punched by hand. It is suitable for sheet steel, stainless steel, non-ferrous metals, plastic and ideal for switchgear manufacturers, electricians, plumbers and handy-crafters. Heat treated steel punches and dies deigned to close tolerances will punch burr free holes up to 2mm thick in steel and 3mm thick in aluminium.