Centre drill, HSS, DIN 333, form R with radius, bright
Design: With radius (lower risk of fracture).
Ø Tolerance: Ø 1.0–2.5 = + 0.14 mm
Ø 3.15–5.0 = + 0.18 mm
Ø 6.3 = + 0.22 mm
Application: Standard centre drill for producing centre holes according to DIN 332, sheet 1, form R (with radius).