. Exactly central ground point. Solid Carbide NC Spotting Drill, 3 mm, 90 Deg, Spiral Flutes, Uncoated Sturdy due to short flutes. Application: Point angle 90 degrees for spot drilling and countersinking in one operation when a drill of smaller dia is used afterwards.
Application: Point angle 90 degrees for spot drilling and countersinking in one operation when a drill of smaller dia is used afterwards..Note: Use the speed for the actual hole dia not generally the speed for the drill outer dia .