4-3/8" 111mm Bi-Metal Holesaw UN302-218 blade and hook from high

blade and hook from high quality forged steel

Gas hose conforms to AS1335

Spring loaded handle

50mm Pitch and 48 - 16 TPI

rigging or mines)

4-3/8" 111mm Bi-Metal Holesaw UN302-218 blade and hook from highStarrett 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: