368 < 1100 N < 1400 N > 900 N > 10% Si E H I N H CONTACT INFORMATION For more information please call +1 330 928 7744 or send an email to ataorders@atatools.com POWDER STEEL + DURABLUE-COATED TWIST DRILLS PROPERTIES Made of ASP powder steel for drilling difficult materials like railway tracks, stainless steels, and exotic alloys. Applicable wherever a high wear resistance and tool life are required. Our first-class twist drills are equipped with the unique and patented DURABLUE-coating. They offer extreme surface hardness and sleekness while yielding high performance tool life even under unsatisfactory conditions such as overhead work and dry drilling. Karnasch twist drills are produced in a heavy-duty geometry for immediate self- centering, easy cutting, and have the highest tool life. APPLICATION Steel Steel Alu Stainless Copper, brass, tin Plastics GRP/CRP Gray cast iron Graphite Rails Hastelloy, Inconel, Nimonic, exotic materials Optimal speed and cooling need to be considered when working under hard field conditions. The Karnasch DURABLUE-coating makes any tool more resistant to those rare situations while increasing tool life. The DRILL-LINE PRO twist drills are the right choice for most difficult to drill materials such as steel up to 45 Rockwell (HRC). For less difficult to drill materials see Art. 20 1710 (page 372) and Art. 20 1840 (page 373). Hardox 400 OPTIMAL GOOD POSSIBLE DRILL-L INE PRO 11 Index 10 9 OIL 8 7 6 5 4 3 2 1
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