Malco’s sheet metal hole cutter quickly installs into the chuck of any corded or cordless drill as small as 1/4″ (6.35 mm). The Distinctive Gold Bits, Bearings, and Pivot Pin signify the longest lasting, fastest cutting, and easiest adjusting solution for cutting holes in sheet metal. A Lightweight aluminum frame makes these accessories extremely portable for a variety of hole cutting applications in sheet metal, which includes 20-gauge (1.02 mm) galvanized steel. A compact model HC1 Hole Cutter is adjustable for making 2 to 12″ (51 to 305 mm) diameter holes.
 
The HC1 sheet metal hole cutter features Malco’s “Gold Standard” Cutter Bits. These cutter bits feature a long lasting, mill type cutting edge and large flat for adjusting the cutting edge location up or down to extend bit life. The CB cutter bit fits either model and is easily replaceable. These bits are available in 1 pack (#CB), 6 pack (#CBB), as well as a bulk pack of 100 (#CB100).
 
This tool is perfect for cutting holes out of metal roofing panels for pipes and other roof protrusions.