All countersinks have 3 cutting edges. Special geometry with extremely unequal spacing and matching cutting edge preparation. Radially relief ground. Flutes ground from solid. Newly developed special TiAlN coating for long service life.
High-precision countersink, produced with tight manufacturing tolerances similar to DIN 335-C.
Three drive flats on the shank for use in a 3-jaw chuck.
Very smooth cutting throughout the entire countersinking operation. Chatter-free running for perfect results and optimum tool service life.
High-precision countersinks for production of exactly round 90° countersunk surfaces.