RUHI Center Drill Type A 1.6 X 4

The Center Drill Type A 1.6×4 mm is a plain type double-ended center drill designed for precision centering and pilot hole drilling on CNC machines, lathes, and conventional drilling setups.
It is manufactured from premium High-Speed Steel (HSS) or Solid Carbide, offering excellent hardness, wear resistance, and accuracy for consistent performance.

Conforming to DIN 333A / ISO Standard, this Type A model features a 60° included angle with a plain cutting edge (no protective chamfer) — ideal for standard centering applications on steel, stainless steel, and non-ferrous materials.

The 1.6×4 mm specification makes it suitable for small and medium-size precision components, ensuring smooth drilling start and reduced runout.