Screwhead - Alternative Categorizations

Alternative Categorizations

There are various other ways to categorize screw drives. One way is by shape of the fastener screw drive:

  • External
    • Hex
    • Line (ALH)
    • Square
  • Socket heads
    • Bristol
    • Clutch
    • Double hex
    • Hex socket
    • Hexalobular socket
    • Line (ALR)
    • Polydrive
    • Robertson
    • Spline
    • TP3
    • Triple square

Read more about this topic:  Screwhead

Famous quotes containing the word alternative:

    If you have abandoned one faith, do not abandon all faith. There is always an alternative to the faith we lose. Or is it the same faith under another mask?
    Graham Greene (1904–1991)