Two cutting inserts are positioned in exactly opposed diametric positions, and engage the workpiece in a substantially identical manner to precisely balance the radial forces resulting from {TAIL ~ drill} axially advancing though {HEAD ~ a workpiece} 
Two cutting inserts are positioned in exactly opposed diametric positions , and engage the workpiece in a substantially identical manner to precisely balance the radial forces resulting from { TAIL ~ drill } axially advancing though { HEAD ~ a workpiece }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD