Greenlee No. 9 step bit with 1-1/8 Inch maximum cutting diameter. Stepped drill bit cuts clean holes in sheet metal and thin material across electrical, HVAC, and industrial maintenance work.
Greenlee No. 12 step bit with 1-3/8 Inch maximum cutting diameter. Stepped drill bit cuts clean holes in sheet metal and thin material across electrical, HVAC, and industrial maintenance work.
Vari-Bit step drill bit from Lenox covering 1/4 to 3/4 inch in 9 steps. Cuts clean holes in sheet metal, plastic, and aluminum for HVAC, electrical, and fabrication work.
Vari-Bit step drill bit from Lenox covering 7/8 to 1-3/8 inch in 5 steps. Cuts larger holes in sheet metal and panels for conduit, knockouts, and HVAC penetrations.
Six-piece step drill bit set covering No. 1, 4, 6, 7, 8, and 9 step bit sizes from 1/8 inch through 1-1/8 inch hole diameters. Set covers common electrical enclosure, conduit, and HVAC sheet metal...