This invention generally relates to {HEAD ~ drills} for forming {TAIL ~ holes} in metal workpieces, and more particularly relates to drills having replaceable cutting inserts 
for forming
This invention generally relates to { HEAD ~ drills } for forming { TAIL ~ holes } in metal workpieces , and more particularly relates to drills having replaceable cutting inserts
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH