Pro-fit Holesaw BiMetal Cobalt+ 57mm

"BiMetal cobalt + hole saw gives a longer life and a cleaner cut when cutting in metal. Cobalt + hole saw teeth are made by grinding so that a sloping ground bottom is obtained between the teeth, this ensures a clean cut and an easier chip removal which helps to reduce heat development. This gives you a hole saw that cuts up to 30% more holes than a standard BiMetal hole saw.BiMetal + hole saws have an even set-up of teeth, all are equal in height, which gives a smooth cut with no tendency to "jump", especially when starting on thin plates.The well-known Drill N 'Drop adapter that gives you a faster working process is integrated in all BiMetal + hole saws as standard.Always follow the recommended revolutions, too high speed reduces the service life.Use cutting paste / oil it prolongs the service life and gives a cleaner cut. Teeth made by grinding
Sloping ground between the teeth
Easy chip removal
Develops less heat. "