BM-Boulonnerie manufactures thread forming or self-tapping screws with special threadsfor plastic materials andaluminium from plans.
Threads at 30°:
- symmetrical or asymmetrical,
- Flat or conical bottom and
- more special threads at our customers’ request
are made by material deformation, which improves the resistance and friction of the threads during their installation. Several head and footprint variants are possible depending on the function of the screw. Thermal and surface treatments are carried out by our specialized subcontractors.
BM Boulonnerie manufactures thread forming screws for plastics and aluminium to customer plans and provides know-how.