High-Precision HSS-E Countersink, 90 Deg, AlTiCN Coated, 6.3 mm

All countersinks have 3 cutting edges, radially relieved. Flutes are ground from solid. High-precision countersink, produced with tight manufacturing tolerances similar to DIN 335-C. Special geometry with unequal spacing and matching cutting edge preparation. Newly developed AlTiCN coating especially for stainless steels. Application: High-precision countersinks for chatter-free production of precise, round 90 Deg countersunk surfaces. Through-coolant: no Number of cutting edges Z: 3 Number of cutting edges Z: 3 smallest countersink Dia. for holes from: 1.5 mm Overall length L: 45 mm Shank Dia. Ds: 5 mm for countersunk screws DIN 7991: M3 Feed f in stainless steel < 900 N/mm2: 0.1 mm/rev.