The chip relief members are generally triangle shaped and are disposed on {TAIL ~ the cutting edge} of {HEAD ~ the insert form cutter} 
The chip relief members are generally triangle shaped and are disposed on { TAIL ~ the cutting edge } of { HEAD ~ the insert form cutter }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD