Profile ground: this ensures high concentricity and pitch accuracy. Precision ground point. Drill for production use.
Strengthened core.
Bright finish parabolic flutes, from 3 mm nitrided chamfers.
With point geometry shape C up to size 3.9 mm
With point geometry shape S from size 4 mm
Recommendation:
Maximum drilling depth:
L2 = LC - 1.5 × DC.
Through-coolant: no
Standard: DIN 338
Tolerance nominal ?: h8
Point angle: 130 degrees
Shank: Plain shank
Number of cutting edges Z: 2
recommended maximum drilling depth L2: 10.5 mm
Flute length Lc: 12 mm
Overall length L: 34 mm
Shank ? Ds: 1 mm
Feed f in steel < 750 N/mm2: 0.03 mm/rev.