3-7/8" - 98mm Bi-Metal Holesaw 734521 6mm Depth x 880mm Length

6mm Depth x 880mm Length

retention of bearings onto shafts and into housings

10x11 (Old 91A)

5 x 100mm PH type PH1x80mm PH 2x100mm PZ type PZ 1x80mm PZ 2x100mm

Multiple speeds allows for the optimal amount of material take off

3-7/8" - 98mm Bi-Metal Holesaw 734521 6mm Depth x 880mm LengthStarrett 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: