The tip of a core pin is guided into {HEAD ~ a clearance hole} sufficiently large to prevent the tip from hitting {TAIL ~ the mold cavity} 
The tip of a core pin is guided into { HEAD ~ a clearance hole } sufficiently large to prevent the tip from hitting { TAIL ~ the mold cavity }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL