with 1:50 taper for reaming holes for taper pins to DIN 1, 258, 7977 and 7978 • ≤ Ø 4.00 mm with external centres on both ends • > Ø 4.00 mm with internal centres on both ends • ≤ Ø 1.50 mm to company standard • with tang to DIN 1809
For pre-machining we recommend taper pin drills article no. 531 and 532. However, the pre-drilled hole can also be cylindrical or stepped.