Mũi vát mép Garant 90° – 150390
Countersinks radially relief ground. Chip flutes are ground from solid up to size 31. Chip angle varies with the countersink ⌀ for optimum chip formation. Countersink point and circumference are relief ground and cut easily.
High-precision countersink, produced with tight manufacturing tolerances similar to DIN 335-D.
For countersink bits with shank 6.3 mm (1/4″″) see Group 67.