135° point angle with chamfering adjustment. The drill bits are fully ground, which guarantees high accuracy and rectilinearity of holes. They are particularly useful for drilling with drill bushes. Long ground drills are used for drilling in steel, non-ferrous metals, and plastics. Material - the highest quality refined HSS. Packed and sold in a rectangular plastic tube: 0.8 – 8.0 mm pack of 10 pcs; 8.2 – 12.0 mm pack of 5 pcs; 14.0 – 20.0 mm pack of 1 pc.