Key of the screws terminology

Key of the screws terminology2017-03-21T12:09:09+00:00

List of the acronyms used in the screws terminology

  • CH: Cylindrical head
  • FCH: Flat countersunk head
  • CDH: Candle drop head
  • CHHS: Cylindrical head with hexagonal slot
  • FCHHS: Flat countersunk head with hexagonal slot
  • HH: Hexagonal flat head
  • CVH: Convex head
  • CVHHS: Convex head with hexagonal slot
  • SH: Square head
  • RHSN: Round head with square nut
  • FRHH: Flat recessed hexagonal head
  • HS: Hexagonal slot
  • FHSS: Flat head with screwdriver slot

Comby head {Pozidriv cut and cross}

Cava esagonaleHexagonal slotter head


Pozidriv cross head {PZ}


Phillips cross head {PH}


Finishings available by request

  • Burnished
  • Black zinc plated
  • White zinc plated
  • Yellow zinc plated
  • Bronze plated
  • Nickel plated
  • Brass plated