BTA stands for Boring and Trepanning Association, and is also sometimes referred to as STS (single tube system) drilling, as it uses one single drill tube for the BTA tool, compared to other processes such as ejector drilling, which use two.BTA drilling is a deep hole drilling method which was creat

Gundrilling machines is one type of deep hole drilling machine.Gun drilling oil is delivered through the center of the gundrill, while a motor turns either the tool or the workpiece or both.A feed system provides thrust to the tool to begin gundrilling.The gun drill is guided accurately into the wor

Have you ever seen such a long workpiece with such a small hole?HTT can do it!HTT's deep hole drilling machine for shafts can drill such small holes.Drilling dia.: φ4-20mmDrilling depth: 2000mmcontact us: info@htt-usa.com or info@htt-china.cn:#deepholedrilling #deepholedrillingmachine #gundrill #gun

HTT's new manual horizontal honing machine with high stability, which is convenient to use.It can ensure the workpiece size tolerance, satisfies the requirement of higher accuracy.If you're interested in our products, please contact us: info@htt-china.cnIf you're interested in our products, please c