ATA International Product Catalogue

442 < 1100 N < 1400 N > 900 N > 10% Si E H I N H CONTACT INFORMATION For more information please call +353 49 435 2138 or send an email to ask@atagroup.ie POWDER STEEL + DURABLUE-COATED TWIST DRILLS PROPERTIES Made of ASP powder steel for drilling of difficult materials like railway tracks, stainless steels, exotic alloys. Applicable wherever a high wear resistance and lifetime are required. Our first-class twist drills are equipped with the unique and patented DURABLUE-coating. Extreme surface hardness and sleekness yield extreme lifetimes even under non-optimum conditions like 'overhead work', dry drilling, etc. Karnasch twist drills are produced in a heavy-duty geometry for immediate self- centering, easy cutting, highest lifetimes. APPLICATION Steel Steel Alu Stainless Copper, brass, tin Plastics GRP/CRP Grey cast iron Graphite Rails Hastelloy, Inconel, Nimonic, exotic materials Under hard field conditions only in the rarest cases optimum speed and cooling can be considered. The Karnasch DURABLUE-coating makes the annular cutter decisively more resistant. This results in a considerable increase in product life. DRILL- LINE PRO twist drill are the right choice for most difficult materials. Drilling in steel up to 45 Rockwell (HRC). For less difficult materials see Art. 20 1710 page 446, Art. 20 1840 page 447 Hardox 400 OPTIMAL GOOD POSSIBLE DRILL- L INE PRO 11 Index 10 9 OIL 8 7 6 5 4 3 2 1