GUHRING Centre drill without surface DIN333 HSS form Rtype N 60deg. 4mm

Centre drill, right cutting, HSS, bright, Gühring

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).