Twist drill set

Sanded drills with aggressive blade geometry. Thanks to the titanium nitride coating, they drain the heat very efficiently and do not move when working in hard steel species. The blade attack of 135 & deg; It allows drilling even without prior use. Made according to the DIN 338 standard for professional applications in industry. The web with a cylindrical handle is intended for standard handle & oacute; in self -locking and key drilling. [mm]: 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