The Annular hole cutters suitable for magnetic core machine , the Annular cutter produce a solid slug of steel which is ejected when the cutter break through and the hole is complete . this reduce the problems experienced by the swarf and chips generated by conventional drilling. Suitable for all core machines with WELDON shank ,QUICK-IN and UNIVERSAL , the  Annular cutter are available various Diameter with WELDON shank , UNIVERSAL shank . various different cut depth :  (metric sizes) and inch sizes . FOR MAGNETIC DRILLING SYSTEM