Over 35 years of excellence in the production of custom special tools.
Founded in 1989 in Presezzo (Bergamo), Ronzoni S.r.l. designs and manufactures custom special tools for the most demanding machining operations. Each tool is born from a custom approach, combining technical expertise, certified materials, and fully integrated production processes.
ISO 9001 certified since 1999, with a network of over 60 collaborators, 2 foreign subsidiaries, and a Research and Development center, Ronzoni is the reference partner for those seeking precision, reliability, and customized solutions.
experience
in the Network
subsidiaries

Tools designed
for every need
We design each of our tools starting from Ronzoni's technical know-how or in collaboration with the end customer. From the part drawing and the material being machined, through the machine tool, we develop the best solution for every production requirement.
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Polycrystalline Diamond
and CERMET PKD polycrystalline diamond tools for machining non-ferrous and abrasive materials. Discover more -
MD — Special
Solid Carbide Custom geometries in solid carbide with advanced PVD coatings. Discover more -
HSS — Special
Profile Tools Shaped high-speed steel tools for complex profiles and threading. Discover more -
SB —
Brazed Tools Carbide inserts brazed on steel body for heavy roughing. Discover more -
Inserts Special indexable geometries with machine-specific tool holders. Discover more
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Mechanical
Clamping Clamping systems and tool holders for multi-axis machining centers. Discover more
Bergamo roots, international orientation.
We are a GLOCAL COMPANY: deeply rooted in Italian territory, but operating worldwide, with two foreign subsidiaries in Poland and Mexico and a dedicated Research and Development center.
Do you need a special tool
for a machining operation?
Contact us to receive personalized consulting. Our technical team is at your disposal.
+39 035 463212
Via San Cassiano, 14
24030 Presezzo (BG)
Mon–Fri · 08:30–17:30
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