Cobalt drill bit sets for metal 1-13 mm, 25 pcs YT-41605

Designed for industrial use for drilling hard steels, non-ferrous metals, plastic, stainless and acid-resistant steels
Resistant to high temperatures
Standard DIN 338 Drilling pressure created - over 900 N/mm²
Set: drills: 1; 1.5; 2; 2.5; 3; 3.5; 4; 4.5; 5; 5.5; 6; 6.5; 7; 7.5; 8; 8.5; 9; 9.5; 10; 10.5; 11; 11.5; 12; 12.5; 13 mm

Recommended for use on drilling machines, not in hand drills, as left-right hand shake when drilling with a hand drill may cause breakage.