BTA-TiefbohrSysteme GmbH is a leading member of the BTA-Society, the 'Boring and Trepanning Association' (BTA). BTA-Tech pursues an intensive consultation and delivers tooling systems and accessories for deep hole drilling and boring operations for all metallic materials, compound - and plastic materials for drilling, trepanning and counter boring operations. Due to cooperation with a number of producers of tooling and machine tools, there is an unlimited number of resources available for customers.

Deep hole drilling and boring produces holes with closed tolerances and good finish. The method is profitable, because there is no centring necessary, no rough boring and no reaming. A continuous chip discharge reduces the drilling time considerable. For a realization of economic and innovative drilling and boring technologies, BTA-Tech prepares expert assessments and expert conceptions for all technical and organizational requirements. An increasing number of especially smaller and medium sized enterprises having only a limited degree of qualified own development capacities and therefore taking advantage of the comprehensive service.

The BTA System or Single Tube System (STS) is a high performance drilling process typically used for large diameters. This procedure allows depth to diameter ratios in excess of 100x's dia. Drill heads are available with indexable inserts and guide pads from 0.18 mm and up. These tools are designed and available for a variety of materials and work pieces optimizing chip removal and chip control. Precision hole making for both short run and high volume manufacturing is economically possible. Coolant is supplied through a pressure head between the drill tube and drill bushing. Coolant flows over the drill head providing both drill head lubrication and flow for chip removal. The chip and coolant mixture returns internally through the chip mouth and drill tube back to the coolant reservoir.

The BTA System is driven using a high pressure and volume cooling system. Botek offers both Single Start and 4 Start Thread Connections.

BTA Principle - Solid Boring Head and Oil Pressure Head

BTA Boring System

The BTA boring system works with external coolant supply and internal chip discharge. The coolant flows between boring walls towards the cutting edge. Oil and chip discharge is through the hollow drill tube. Due to this the chips do not get in contact with bore produced and a good quality surface finish is obtained. The use of a cylindrical drill tube with high rigidity allows higher feeds and speeds compared with conventional boring methods. Boring depths of 100 times bore