Deep Hole Drilling

BTA Heller is the industry leader in Deep Hole Drilling Tools. We provide all the necessary tools you need for your next project.

Gun Drilling Process


The gun drilling process is a deep hole drilling method. This method uses a long thin cutting tool that creates holes to create high depth-to-diameter ratios. In addition, gun drilling is very effective in diameters ranging from 1 mm to 50 mm.  When it comes to gun drilling the head has a unique design that […]

BTA Heller and Sunnen The Perfect Match


As you probably already know, BTA Heller is now a part of Sunnen Product Company.  This makes a perfect combination of synergy for both companies.  Sunnen has been providing finishing equipment and bore sizing equipment since 1924. In addition, BTA Heller has been providing deep hole drilling systems for decades.  BY pairing the two companies […]