Due to the use of multi edged indexable inserts 30 and 31 which cut a full circumference of bore 11 across virtually its full diameter during {HEAD ~ each one half revolution} of {TAIL ~ the drill}, the drill may be fed axially at a rapid rate 
of
Due to the use of multi edged indexable inserts 30 and 31 which cut a full circumference of bore 11 across virtually its full diameter during { HEAD ~ each one half revolution } of { TAIL ~ the drill } , the drill may be fed axially at a rapid rate
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 HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH