The BGS TECHNIC twist drill set - Titanium Nitride - 170 pcs - 1994, is ideal for drilling steel, aluminium, copper, iron, brass and plastic. Made of HSS high speed steel, these drills have a high hardness and good resistance. In addition to HSS-G steel, titanium nitride strengthens the drill and makes it more resistant to wear. Choose quality tools from a traditional family business with strong values and expertise. For almost 50 years, BGS TECHNIC has been offering a wide range of tools, which are expanded daily. German quality in addition! Advantages: 170 pcs of different diameters HSS steels: strong, precise and used for high speed cutting Titanium nitride: high hardness property and more resistance Drills stored in metal cassette, sizes indicated Long service life Features: 10 twist drills for each size (from 1.0 to 8.0 mm) 5 twist drills for each size (8.5 to 10.0 mm) Material: HSS-G steel - titanium nitride Point angle: 118 degrees Standard DIN 338: Short series cylindrical drills Weight: 3.7 kg Packaging: One set of BGS TECHNIC twist drills - Titanium Nitride - 170 pcs - 1994Delivered in original packaging Warranty All BGS TECHNIC products are guaranteed for 2 years