The BGS TECHNIC drill set - Titanium Nitride - 119 pcs - 2009, 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. The step drill allows you to cut several surface diameters, from 4 mm to 25 mm, in a short distance, for a clean and fast finish. Choose quality tools from a traditional family-owned company with strong values and a focus on 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 different pcs HSS steels: strong, precise and used for high speed cutting Titanium nitride: high hardness property and more resistance Drills stored in a metal cassette, sizes indicated Long service life Features: Material: HSS-G steel - titanium nitride Standard DIN 338: cylindrical drills, short series Weight: 1.7 kg 118 twist drills : 15 x 1.0 mm 15 x 1.5 mm 10 x 2.0 mm 10 x 2.5 mm 12 x 3.0 mm 10 x 3.5 mm 12 x 4.0 mm 10 x 4.5 mm 8 x 5.0 mm 8 x 6.0 mm 3 x 7.0 mm 3 x 8.0 mm 2 x 10.0 mm 1 step drill: 4 - 25 mm Packaging: One set of BGS TECHNIC drills - Titanium Nitride - 119 pcs - 2009Delivered in original packaging Warranty All BGS TECHNIC products are guaranteed for 2 years