Coromant delta is a drill useful for varieties of applications that are related with different materials. It can be considered as an alternate choice for Corodrill Delta - C during the conditions that are less stable and also with larger diameter. It has perfect surface finish and hole tolerance. Machining reliability is improved with the evacuation of good chip. Edge chipping is resisted because of the cutting edge that is straight and strong. The chip flutes are hardened in laser and can be easily mounted.