A steel pin driven into a hole in a piece of metal to enlarge, shape, or align the hole.
（扩孔等用的）沖钉，锥销
Example sentencesExamples
I used a rolled steel drift pin to replace a few of the brass pins that were damaged beyond use.
The divers have already found copper drift pins attached to fragments of wood, large structural pieces of iron, a swivel gun and, most exciting of all, three cannons, the largest of which is about eight feet long.
The 10" long Tapered Drift Pin is made of ductile iron and will accommodate square holes ranging from1" to 2 1/2".
A straight drift pin 7 1/2 inches in length and 13/16 inches in diameter was offered for lining up holes.
Definition of drift pin in US English:
drift pin
noun
A steel pin driven into a hole in a piece of metal to enlarge, shape, or align the hole.
（扩孔等用的）沖钉，锥销
Example sentencesExamples
The divers have already found copper drift pins attached to fragments of wood, large structural pieces of iron, a swivel gun and, most exciting of all, three cannons, the largest of which is about eight feet long.
A straight drift pin 7 1/2 inches in length and 13/16 inches in diameter was offered for lining up holes.
I used a rolled steel drift pin to replace a few of the brass pins that were damaged beyond use.
The 10" long Tapered Drift Pin is made of ductile iron and will accommodate square holes ranging from1" to 2 1/2".