3-3/4" - 95mm Bi-Metal Holesaw MDR915 holds D & E sized

holds D & E sized gas cylinders

whose diameter increases or decreases along the length of the thread

CW404-19 19mm Deep Thin Wall Socket 85mm

providing long-lasting backup power

3-3/4" - 95mm Bi-Metal Holesaw MDR915 holds D & E sizedStarrett 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: