Z3 Twist drills DIN 338 with 3 cutting edges

For universal use in structural low alloyed steel, alloyed and unalloyed steel < 1.000 N/mm² (32,2 HRC), aluminium (wrought and cast alloys).

Twist drill with 3 cutting edge geometry for up to 60% higher feed (compared to twist drills with 2 cutting edges). 3 lands for high dimensional accuracy and smooth drilling. When used in CNC machines, drilling qualities up to IT 9 are possible. Optimized flute for better chip evacuation. No hooking when drilling in existing holes.