3-1/2" - 89mm Bi-Metal Holesaw 4128490 19 standard sockets metric and

19 standard sockets metric and AF: 6-14mm & 3/16"-9/16": 19 deep sockets metric and AF: 5-14mm & 1/4"-9/16"

570 RPM and suitable for use on 115mm and 125mm angle grinders

Nail capacity 110pc

Made from heat treated high-grade alloy steel for maximum toughness and durability

3-1/2" - 89mm Bi-Metal Holesaw 4128490 19 standard sockets metric andStarrett 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: