13/16" - 21mm Bi-Metal Holesaw C72-4 This magnetic core drilling machine

This magnetic core drilling machine has a powerful 9

Ergonomic designed handle

Jacobs Taper : 2

000 psi holding power

13/16" - 21mm Bi-Metal Holesaw C72-4 This magnetic core drilling machineStarrett Holesaws. Constant Pitch up to 40mm Dual Pitch Professional Hole Saws 41mm and over are the latest development in multi use bi metal hole saws. Featuring the smooth cutting action of our constant pitch hole saw, combined with aggressive material penetration and swarf clearance, Dual Pitch Professional will cut equally well on thin and thicker gauge materials. This removes the need to carry a constant and a variable pitch hole saw. Advantages: