Bi-metal hole saw 27 mm

GRAPHITE's 27mm bi-metal hole saw 56T705 is 51mm high and allows drilling to a depth of 38mm. It is made from HSS high speed steel and is fitted with a 1/2'' x 20 UNF thread. It is designed to work in metal, stainless steel (Inox), cast iron, brass, aluminium and wood. The GRAPHITE hole saw is recommended to be used with the 56T753 adapter with pilot drill bit for bi-metal hole saws in the 14-30 mm range. Maximum speeds for this tool, vary depending on the material: steel - 325 rpm, Inox steel - 160 rpm, aluminium - 480 rpm, wood - 430 rpm, cast iron - 215 rpm, brass - 435 rpm. The bi-metal hole saw is designed for use with a drill or drill/driver.