Expertise

The performance of a specialist, with the added versatility.

Bonioni has two production sites in France and in Poland, thus grouping together all the professions of cold heading and production of parts according to drawings or special screws and technical fasteners, green steel parts, but also the associated technologies: machining, overmolding, assembly…

The BONIONI group thus puts its know-how at the service of all sectors of activity requiring fasteners, standard fastners or special parts.

Read more about cold forming advantages vs bar turning.

Know-how

More than a manufacturer, a partner at your service.

With more than 60 years of experience and technological mastery, a high-performance machine park and an R&D office that brings together multiple skills, Bonioni is able to study and produce highly technical parts, perfectly adapted to the requirements and constraints of its customers.

COMMITMENT

Technicity

custom-made

reliability

Reactivity

service

flexibility

NEWS

Discover our latest news.

2025 GENDER EQUALITY INDEX

2025 GENDER EQUALITY INDEX

Bonioni’s gender equality index for salaried employees is 81/100 for 2025.

Pay gap indicator: 29/40. Improvement target: 34/40.
Individual pay increase gap indicator: 35/35
Increases upon return from maternity leave: not calculable
Presence of women among the 10 highest-paid employees: 5/10

Top 15% Worldwide – BONIONI Awarded ECOVADIS Silver Medal

We are proud to announce that BONIONI has been awarded the EcoVadis 2025 Silver Medal, with a score of 72/100, placing our company among the top 15% worldwide.
This distinction highlights our ongoing commitment to social responsibility, ethics, environmental protection, and responsible purchasing.
A big thank you to our employees and partners for their involvement and contribution to this great collective achievement.

BONIONI Group – Experts in Cold Heading
Together, let’s continue our commitment to a more sustainable industry.