>Drilling / (Single Tube System)

Perfect Bore provide a 10 day billet preparation turnaround. this includes boring up to 150mm diameter and up to 3500mm in length; 1st stage and if required finished honing; facing and turning.

STS (single tube system) drilling is a process developed in more recent years, with BTA drilling the coolant is introduced around the drill tube at the pressure head, and chips are evacuated through the centre of the drill.

The detachable drill head is comprised of individual carbide inserts and guide pads. Very high penetration rates can be achieved with this system along with good surface finish. Diameters as small as 38mm or as large as 150mm to depths of 3m can be produced by PERFECT BORE.