Drill bits from the premium series made of high quality HSS 4241 Designed for professional, industrial applications - drilling in inox steel, high-carbon steel and cast iron. • wide diameter range - from 0, 5 to 20 mm • additional cutting edge along the spiral of the drill bit • ground surface according to Di N 338 standard provides excellent precision and faster drilling speed for perfect dimensions of the drilled hole • lower coefficient of friction reduces the adhesion of chips and filings to the drill bits • "split point" cross cutting edge with a tip angle of 135° allows drilling without prior scoring, even with large drill diameters • rolled drill chucks of more than 10 mm in diameter for a proper fit in the drill chuck Parameters: • diameter [mm]: 3. 8 • length [mm]: 75 • number of pieces in the set: 1
