Burghiu de marcaj Format 11470600, 9111470600

NC spotting drill with cyl. shank, long Design:Profile grinding, right cutting, with precision ground point and narrow cross blade. With a side clearance angle of 12°/30°. Helix angle smaller than normal, core thickness considerably smaller than normal and taper normal. From Ø 6 mm with carrier surface according to DIN 1835-B. Ø tolerance: h6. Application: For precise drill positioning. Used for centring and chamfering thread holes in one step.