Twist drill 22.0mm HSS-R reduced

RUKO twist drill DIN338 HSS, reduced shank. Vacuum metallized, black blade made of durable HSS-R rolled steel. The manufacturing process makes the material more flexible, making the drill more resistant to breakage. Tip angle: 118°. Chip rise: 20-30°. Tolerance: h8. Suitability: cast iron, alloyed and unalloyed steels up to 900N/mm². 1 piece/plastic package.