DART's precision made Annular Cutters for Mag Drills feature a unique cutter geometry for fast hole cutting. They have a fully ground finish and a 3/4'' Weldon shank. The unique tooth geometry provides optimum tool life and cutting speed. They are manufactured in the UK and have a high wear resistance making them suitable for most drilling applications. They must be used with coolant and a ejection pin for longer life. These Annular Cutters are suitable for sit and construction work, bridge building and repair, truck and vehicle fabrication and general fabrication applications, They can be used to cut a variety of materials such as mild steel, structural steel, construction steel, aluminium, copper and brass.