Sheet metal screws

The sheet metal screw or screw for sheet metal is specific and requires special manufacturing; it is oftenthread forming, because it has to create its own pitch in the assembled parts, so it is important to choose the shape and the dimension of the sheet metal screw as well as the quality of the material used for its manufacturing, heat and surface treatments are also very important

BM BOULONNERIE manufactures to customer plans any sheet metal screw specific to customer needs.

In addition, BM BOULONNERIE is able to manufacture these parts in all available metals.

  • From Ø 2.5 to Ø 8
  • Length 5 to length 70
  • Any form of head footprint, cross, hexagonal, hexalobular etc.

Materials used for sheet metal screws

  • STAINLESS STEEL type 304, 316, 430 etc.
  • BRASS
  • STEEL alloyed or unalloyed

Heat treatment of sheet metal screws

  • TEMPERING
  • CARBONITRIDING
  • CASE HARDENING
  • ANNEALING

Screw surface treatment

  • ZINC COATING
  • NICKEL COATING
  • PASSIVATION
  • BURNISHING
  • TUMBLING
  • TRIBOFINISHING