Starrett Dual Pitch Professional Hole Saws are the latest development in multi use bi metal hole saws.
Featuring the smooth cutting action of the Starrett constant pitch hole saw, combined with aggressive material penetration and swarf clearance, these hole saw will cut a wide range of materials, irrespective of thickness and the tooth geometry results in huge improvements in chip flow.
Dual Pitch Professional hole saws will cut equally well on thin and thicker gauge materials,they give a smooth cut with minimal tendency to bite or snag when cutting thinner gauge materials.
This removes the need to carry a constant and a variable pitch hole saw.
Cutting depth 41mm (1 5/8in).