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