Definition of drift pin in English:

drift pin


  • A steel pin driven into a hole in a piece of metal to enlarge, shape, or align the hole.

    • ‘A straight drift pin 7 1/2 inches in length and 13/16 inches in diameter was offered for lining up holes.’
    • ‘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".’
    • ‘I used a rolled steel drift pin to replace a few of the brass pins that were damaged beyond use.’