Through the use of {HEAD ~ dual cutting inserts}, the drill cuts the full circumference of a bore with each one half revolution and therefore achieves {TAIL ~ the a faster axial feed rate} 
Through the use of { HEAD ~ dual cutting inserts } , the drill cuts the full circumference of a bore with each one half revolution and therefore achieves { TAIL ~ the a faster axial feed rate }
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL