American Heller Means Deep Hole Drilling Specialists Overview Systems Tools Methods American Heller Corporation specializes in BTA and other types of Deep Hole Drilling systems which is the culmination of decades of research into the metal boring process. The BTA system is a single tube system that has become one of the most successful deep hole drilling systems over the last couple decades. American Heller Corporation is the only manufacturer in the United States with the capability to design and manufacture the total BTA system. With over 50 years of experience with the BTA deep hole drilling system there is no viable alternative than American Heller Corporation when it comes to drilling deep holes. Following are just a few of the reasons why the BTA system is superior to other conventional deep hole drilling systems. Higher penetration rates Hole lengths up to 300 times the tool diameter Largest range of tool diameters Better diametral tolerance Minimum run-out Difficult hole patters or configurations Excellent surface finishes Minimum chatter Easier machining of tough alloys and exotic materials Better machine performance Cutting oils engineered specifically for deep hole drilling   Deep Hole Drilling Systems ©2011 American Heller Corp. All rights reserved.