Billardy supports players in the connectivity and embedded electronics sectors in the manufacturing of precision mechanical components for critical applications, including electrical connectors, coaxial connectors, mechatronic interfaces, fiber optics, sensors, embedded modules, and electronic housings.

Precision component manufacturer for the connectivity industry.

Thanks to our expertise in CNC micro-turning, Escomatic machining, multi-station cold heading, and advanced finishing operations, we produce precision components such as contact pins, connector housings, threaded inserts, centering rings, and termination tips, with micrometric tolerances. Our parts meet the demanding requirements of miniaturization, electrical conductivity, mechanical strength, as well as chemical and electromagnetic compatibility.

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Custom centering ring manufacturer.

Manufacturer of bending rings for the connectivity industry.

Billardy manufactures precision cylindrical bushings designed to ensure axial positioning or radial retention of components in multipole connectors, technical housings, or wiring interfaces. These parts are produced by CNC turning, featuring a ground surface finish, a guiding shoulder, and sometimes internal or external threading depending on assembly requirements.

It is typically made of 303 stainless steel or CW614N brass to ensure good mechanical strength, compatibility with surface treatments (passivation, nickel plating), and resistance to humid or corrosive environments. Its geometry allows precise integration into cylindrical housings, with tight tolerances to prevent any play or misalignment.

This Centering ring Centering ring
It is used in circular connectors, avionics modules, and embedded sensor systems exposed to vibration, technical solvents, and thermal constraints. It can also serve as a support component for moving elements or as a positioning sleeve in complex mechanical assemblies.

Cylindrical contact pin.

Billardy manufactures cylindrical contact pins designed for insertion into multipole connectors for signal or power transmission. These components are produced by CNC micro-turning, featuring a calibrated drilled tip and a knurled or serrated profile at the base to ensure secure retention within the connector body.
They are typically made of CW614N brass or CuBe2, depending on requirements for electrical conductivity, mechanical strength, and compliance with environmental regulations (REACH / RoHS). Surface finishes may include gold, nickel, or tin plating, depending on electrical contact requirements and chemical operating environments.
These cylindrical contact pins are integrated into male connectors used in embedded equipment, industrial sensors, avionics modules, and electronic boards. They are designed to withstand repeated mating cycles, vibration, humid or saline environments, and exposure to technical solvents. Concentricity tolerances are typically below <- 10µm to ensure stable contact and low electrical resistance.

Manufacturer of cylindrical contact pins.

Threaded pin with hexagonal drive.

Specialist in electrical connectors

Billardy manufactures threaded metal pins designed for integration into connectors or wiring interfaces used in industrial equipment, embedded sensors, or control modules. These components are produced by CNC turning through a sequence of operations including external threading, hexagonal machining for tightening, axial drilling, and edge chamfering.

Billardy manufactures threaded metal pins designed for integration into connectors or wiring interfaces used in industrial equipment, embedded sensors, or control modules. These components are produced by CNC turning through a sequence of operations including external threading, hexagonal machining for tightening, axial drilling, and edge chamfering.
They are typically made of CW614N brass or 303 stainless steel, depending on requirements for electrical conductivity, mechanical strength, or chemical compatibility. The threaded section enables screw assembly into a housing or fitting, while the hexagonal head facilitates manual or automated tightening. The axial bore may be used for signal transmission, fluid flow, or the insertion of a contact pin.

This threaded pin with a hexagonal tightening head is used in multipole connectors, sensor fittings, or shielded wiring interfaces, in environments exposed to vibration, technical solvents, or extreme temperatures. Thread and concentricity tolerances are tightly controlled to ensure perfect sealing and long-term mechanical strength.

Drilled cylindrical bushing.

Billardy manufactures precision metal bushings designed for integration into multipole connectors for signal or power transmission. These components are produced by CNC turning, featuring an internal thread on one end and multiple calibrated cross-drillings along the body, allowing the passage of pins, cables, or fluids depending on the application.
They are typically made of stainless steel 303 or CW614N brass, depending on requirements for mechanical strength, electrical conductivity, or chemical compatibility. Surface finishes may include passivation, nickel plating, or gold plating, according to customer specifications and operating environments.
These metal bushings are used in circular connectors, sensor interfaces, and embedded connection modules exposed to vibration, technical solvents, or saline environments. Drilling and concentricity tolerances are tightly controlled to ensure perfect integration into connector assemblies, providing long-term mechanical stability and optimal electromagnetic compatibility.

Manufacturer of cylindrical sleeves

Double-shoulder contact pin.

Double-shoulder contact pin.

Billardy manufactures cylindrical electronic contact pins designed for integration into multipole connectors, PCB interfaces, and embedded sensor modules. These components are produced using Escomatic machining, a technology particularly well-suited for high-volume production of small-diameter parts, ensuring short cycle times and consistent precision.
The geometry of this contact pin includes two symmetrical shoulders, enabling precise axial positioning within plastic or metal housings and ensuring reliable retention through overmolding, crimping, or press-fit assembly. The reduced central profile facilitates signal transmission or insertion into contact sleeves.
The material used is lead-free CW724R brass, selected for its electrical conductivity, compatibility with surface treatments (gold, nickel, or tin plating), and compliance with REACH / RoHS regulations. The part can also be manufactured in CuBe2 for applications requiring higher mechanical resilience or spring-like properties.
This contact pin is designed to withstand repeated insertion/extraction cycles, humid or corrosive environments, and exposure to technical solvents. Diameter and concentricity tolerances are controlled at micron level, ensuring low contact resistance and reliable integration into high-density electronic connectors.

Alignment pin.

Billardy manufactures metal locating pins designed to ensure axial positioning or radial guidance of components in multipole connectors, technical housings, or embedded wiring interfaces. These parts are produced by CNC turning, featuring a regular cylindrical geometry, a calibrated axial bore, and a hexagonal shoulder for tightening or orientation during assembly.
They are typically made of stainless steel 303 or CW614N brass, depending on the mechanical, chemical, or electromagnetic requirements of the application. Surface finishes may include passivation, nickel plating, or gold plating, according to customer specifications and integration environments.
These metal locating pins are used in circular connectors, avionics modules, and industrial sensor systems exposed to vibration, technical solvents, or extreme temperatures. They may also serve as spacer or centering bushings in complex mechanical assemblies where precise positioning is critical. Concentricity and diameter tolerances are controlled at micron level to ensure reliable and durable integration.

Manufacturer of centring pins

Knurled locating pin.

Manufacturer of knurled centring pins

Billardy manufactures miniature locating pins machined from CW614N brass or 303 stainless steel using Escomatic turning, featuring a knurled gripping surface for secure fixation in plastic or metal housings. These components ensure precise positioning of parts in embedded connectors or wiring interfaces.
The Escomatic process guarantees high dimensional consistency in high-volume production, with micrometric tolerances and surface finishes compatible with decorative and technical treatments such as gold plating, nickel plating, or passivation. These pins are designed to withstand vibration, industrial solvents, and automated assembly conditions.

Other examples of precision turned components for the connectivity industry.

Precision turning of contact pins and connector pins.

Brass contact pins or contact broaches for connectors, produced by CNC micro-turning or Escomatic machining. These components are integrated into connectors for a wide range of applications. They require concentricity tolerances within <–10 µm, a polished surface finish, and compatibility with gold plating to ensure optimal electrical conductivity.

Threaded insert for industrial connector housings.

Cold-formed threaded inserts in lead-free CW510L brass or stainless steel 303, designed for overmolding into plastic or composite housings for industrial connector fastening. These inserts are engineered to withstand humid environments and repeated mechanical stress while ensuring a reliable fixation within plastic enclosures.

Locking pin for bayonet-type circular connectors.

Production of hardened stainless steel shafts integrated into locking systems for circular bayonet connectors, manufactured using CNC bar turning. These components must withstand intensive opening and closing cycles, vibrations and extreme temperatures in the railway and military sectors.

Locking pin for cosmetic packaging housing.

Multi-station cold forming of stainless steel alignment pins for optical connectors. These components ensure precise fiber alignment, with controlled surface roughness, high resistance to humidity, and compatibility with sterile environments such as medical applications and data centers.

Coaxial connector housing.

CNC-turned coaxial connector housings made of anodized 6061 aluminum, 303 stainless steel, or 316L stainless steel, intended for embedded applications. These components are designed to combine lightweight properties, mechanical strength, and electromagnetic compatibility.

Crimp terminal for shielded cable.

Metal crimp terminals used for connecting shielded cables in electrical cabinets, industrial sensors, and embedded systems. Manufactured by cold heading in tin-plated copper, CW614N brass, or 316L stainless steel, and then thread-rolled and chamfered, these components ensure a reliable and durable electrical connection.

Threaded spacer for printed circuit boards (PCBs).

Metal spacers made of CW510L brass, 303 stainless steel, or anodized aluminum, used to space and secure electronic boards within industrial enclosures or racks. Produced by cold heading, followed by thread rolling and internal/external threading, with galvanized or passivated surface finishes.