4-arm adapter
Precision and custom 4-arm adapters for prosthetic socket connection, also known as 4-prong or 4-ear adapters. Custom CNC machining in titanium, stain
Drawings welcome (STEP / IGS / PRT / PDF).
Reply within 24 hours.
- Specification
4-Arm Adapter
Precision-machined prosthetic socket adapters for secure connection, stable fixation and reliable modular assembly.
Sunrise Industrial manufactures 4-arm adapters for lower-limb prosthetic systems that require accurate dimensions, reliable fit and consistent production quality. This component is also commonly known as a 4-prong adapter, prosthetic socket adapter or socket adapter. In some customer drawings or local markets, it may also be described as a 4-ear adapter because of its four-arm mounting structure.
We support custom manufacturing in titanium, stainless steel and aluminum based on drawings, material requirements and technical specifications.
Batch production of 4-arm prosthetic socket adapters manufactured by Sunrise Industrial.
Product Overview
Function
The 4-arm adapter is used for prosthetic socket connection and modular prosthetic assembly. It helps connect the socket area with other prosthetic components while supporting stable fixation and repeatable assembly performance.
Naming
Different drawings and markets may use 4-arm adapter, 4-prong adapter, 4-ear adapter or prosthetic socket adapter. The final manufacturing standard should follow the customer drawing and technical requirements.
Key Features
- Precision CNC-machined dimensions
- Reliable socket connection support
- Stable four-arm mounting structure
- Suitable for modular lower-limb prosthetic systems
- Available in titanium, stainless steel and aluminum
- Custom hole pattern and thread specifications
- Controlled surface condition and machining consistency
- Small-batch and repeat production support
Custom Manufacturing and Specifications
We manufacture 4-arm adapters according to customer drawings and project requirements. Customization may include material selection, overall dimensions, hole pattern, thread specifications, thickness, surface finish and other structural details.
| Product Type | 4-Arm Adapter / 4-Prong Adapter / 4-Ear Adapter / Prosthetic Socket Adapter |
|---|---|
| Available Materials | Titanium, stainless steel and aluminum |
| Manufacturing Method | Precision CNC machining based on customer drawings and technical requirements |
| Customization | Material, dimensions, hole pattern, thread specifications, thickness, surface finish and structural details |
| Application Focus | Socket connection, modular prosthetic assembly and stable component fixation |
| Production Basis | 3D files, 2D drawings, samples, dimensional requirements and project-specific specifications |
Applications and Quality Control
4-arm adapters are used in prosthetic systems and related precision connection applications where dimensional accuracy, stable assembly and dependable component quality are required.
- Lower-limb prosthetic systems
- Prosthetic socket connection
- Modular prosthetic assembly
- Socket adapter applications
- Rehabilitation component projects
- Custom prosthetic hardware solutions
Quality control is carried out from raw material selection to machining and final inspection. We pay attention to dimensional accuracy, hole position consistency, thread quality, surface condition and overall fitting performance.
For prosthetic adapter components, repeatable quality is important for real assembly and long-term supply.
Prosthetic Components Manufacturing Range
In addition to 4-arm adapters, Sunrise Industrial manufactures a range of prosthetic adapter components for socket connection, tube connection and modular assembly applications.
This representative display image is used to show our overall prosthetic component manufacturing range and machining experience. The final product structure, dimensions, material and finish should always follow the customer drawing and project requirements.
Why Choose Sunrise Industrial
Sunrise Industrial has practical manufacturing experience in prosthetic components and precision CNC-machined metal parts. We work with titanium, stainless steel and aluminum, and support drawing-based production for customers requiring standard or customized prosthetic adapters.
For customers looking for dependable manufacturing support, we provide flexible production, responsive communication, drawing review support and consistent product quality for custom prosthetic component projects.
Frequently Asked Questions
What is a 4-arm adapter used for?
A 4-arm adapter is mainly used in prosthetic systems for socket connection and modular component assembly where stable fixation and dimensional accuracy are required.
Is a 4-arm adapter the same as a 4-prong adapter?
In many prosthetic applications, these names may refer to the same or very similar component type. The exact name may vary depending on the drawing, market terminology or product design.
What does 4-ear adapter mean?
Some customers may describe this product as a 4-ear adapter because the component has a four-arm or four-ear mounting structure. It can describe a similar adapter design.
Can this component be used as a prosthetic socket adapter?
Yes. This type of product is commonly used for socket-related connection and modular prosthetic assembly, so it may also be described as a prosthetic socket adapter or socket adapter.
What materials are available?
We can manufacture 4-arm adapters in titanium, stainless steel and aluminum according to project requirements, weight targets, strength requirements and application needs.
Can you produce custom 4-arm adapters?
Yes. We support custom production based on drawings, dimensions, material requirements, samples and project-specific technical specifications.
What drawing formats can you review?
3D files and 2D drawings are welcome, including STEP/STP, IGS, X_T, SLDPRT and PDF. Other common drawing formats may also be reviewed if available.
Looking for a Reliable 4-Arm Adapter Supplier?
Send us your drawing, material requirement, specifications or application details for quotation. We support standard and custom 4-arm adapter manufacturing for prosthetic component projects.
3D files and 2D drawings welcome: STEP/STP, IGS, X_T, SLDPRT, PDF and more.
We manufacture precision titanium products and custom machined components, including prosthetic components, titanium sputtering targets, titanium dental discs and other parts made according to drawings or samples.
Yes. We support custom manufacturing based on drawings, specifications or physical samples, with flexible production for different structures, dimensions and application requirements.
We supply a range of modular prosthetic components, including prosthetic adapters, tube clamp adapters, socket adapters, pyramid adapters, rotating adapters, sliding adapters, adjustable adapters, alignment adapters, pyramid receivers, tube clamp assemblies and other precision-machined prosthetic parts.
Yes. We manufacture titanium sputtering targets for coating and deposition applications, with support for different sizes, shapes and custom specifications based on project requirements.
We mainly work with titanium and also process stainless steel, aluminum, brass, copper and other materials depending on project requirements.
Yes. We supply titanium dental discs for dental milling and related applications, with attention to material quality, dimensional accuracy and production consistency.
Our capabilities include CNC turning, CNC milling, turn-mill machining, screw machining, wire EDM, laser machining and grinding.
We carry out quality control throughout the production process, with attention to material selection, machining accuracy, surface condition and final inspection.
Send us your drawing, specification, quantity or sample details, and we will provide a practical quotation based on your project requirements.










