2010 Full-Line Drill Catalog - Desanto

Indexable Insert DrillsTwist DrillsGuhring‘s HT/RT 800 WP ultra-fine carbide indexable insert drills deliver feedrates up to 10x higher than conventional tooling. These cost-effective drill serieshave many features which enable them to outperform both conventional spadedrills and carbide-tipped brazed tools across a wide variety of materials.Key features include:DK 460 UF (K40) carbide inserts - ultra-finegrain carbide developed by Guhring is 50-60% tougher than common carbide grades.Aggressive 140˚ SF point geometry reducesaxial thrust loading and heat generation,improving tool life and providing freer cuttingaction.Coolant-through, full-helix flute design forimproved chip evacuation and heat reduction.FIREX ® coating increases drill surface hardnessto over 90 Rc and greatly improves heatresistance of the insert.Guhring‘s HT/RT800 WP ultra-fine carbideindexable insert drills deliver feed rates upto 10x higher than conventional tooling.These cost-effective drill series have manyfeatures which enable them to outperformboth conventional spade drills and carbidetippedbrazed drills across a wide variety ofwork-piece materials.To order: Series number + mm, ex. 5518 3.000179