BM Boulonnerie manufactures sheet metal screws. We produce sheet metal screws of all sizes (#4 sheet metal screws, #14 seeht metal screws, …) and types.

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.

 

Manufacturing of sheet metal screws: sizes and types

In addition, BM BOULONNERIE is able to manufacture these sheet metal screws in all available metals.

  • From Ø 2.5 to Ø 8
  • #4 to #14 sheet metal screws
  • Length 5 to length 70mm
  • 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

We manufacture sheet metal screws and offer some services of heat treatment such as:

  • TEMPERING
  • CARBONITRIDING
  • CASE HARDENING
  • ANNEALING

Screw surface treatment on sheet metal screws

BM Boulonnerie can propose also surface treatment for sheet metal screws like:

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