BM BOULONNERIE specializes in the manufacturing to customer plans of all hollow parts such as spacers, smooth and serrated thick washers, cylindrical stepped spacers or straight and stepped hollow rivets

In addition, BM BOULONNERIE is able to manufacture these parts in all the available metals and also in stainless steel thanks to its induction heating warm forging equipment allowing extreme deformations.

Materials used to manufacture hollow parts and tubular rivets

  • STAINLESS STEEL type 304, 316, 430 etc.
  • ALUMINIUM series 1000 to series 6000
  • BRASS
  • STEEL alloyed or unalloyed
  • COPPER

Heat treatment tubular rivets and hollow parts

BM Boulonnerie proposes various treatments after manufacturing your hollow parts and rivets such as:

  • TEMPERING
  • CARBONITRIDING
  • CASE HARDENING
  • ANNEALING

Surface treatments for rivets and parts

We can also supply some surface treatments shoud you require them for your rivets and hollow part:

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