Q Series

Long tool life and smooth surface finish in medium – finishing application. Stable machining in steel, stainless steel and hard material <68 HRC.

Varied interval flute design
Superior anti vibration performance due to variable pitch flute design.

α ≠ β

Long tool Life with MEGACOAT
Superior wear and oxidation resistance with MEGACOAT, Kyoceras unique PVD coating technology.

Wear resistance evaluation:

• Left: 4QFSM-VG (Cutting distance 3,900 mm)
• Right: Competitor A (Cutting distance 1,900 mm, breakage)

Cutting conditions:
N = 2,918 min-1, Vf = 678 mm/min, ap x ae = 12 x 9.6 mm
Machining diameter ø 12 mm, 4 teeth, slotting, dry
Workpiece: 42CrMo4V