Version:
Exactly central ground point. Easy spot drilling and high shape accuracy of the centre hole. Sturdy due to short flutes.
≥ ⌀ 6 mm with HB drive flat.
Application:
Point angle 142° so that the cutting edges of the following twist drill engage easily.
Note:
Use the speed for the actual hole ⌀ (not generally the speed for the drill outer ⌀).