... ,stainless steel,etc. Abrasion resistance,the cutters have long life We manufacture annular cutters / Magnetic drill with CNC machines and ... we have many cutters of different sizes in ... Magnetic drill(Mag drill)Weldon shank & one touch shank annular cutters ,M2,M35,M42 material,size from12mm-100mm,depth25mm,30mm35mm,, ...