Two-interface geometry in one compact component
A threaded end and hose-barb end can be produced to the same approved drawing.
Custom CNC Machined Stainless Steel Threaded Hose Barb Adapter
Custom CNC Machined Stainless Steel Threaded Hose Barb Adapter
Drawing-based hose and tube connection components for OEM projects
This custom CNC machined adapter combines a male threaded connection with a stepped hose-barb interface and a hexagonal wrenching section. The product photographs show a compact turned metal component with a visible threaded end, a tapered multi-step hose end, and a central hex body for installation or tightening.
Shenzhen Perfect Precision Products Co., Ltd. manufactures drawing-based CNC turned and mill-turned components for prototypes, small batches, and repeat production. Send your drawing, 3D model, or sample details for a review of the material, thread, bore, barb geometry, tolerances, finish, inspection, and quotation scope.
Product-specific dimensions, thread standard, pressure rating, and final material certification are confirmed during engineering review.
Key Manufacturing Benefits
CNC turning for rotational features
Suitable for threaded sections, bores, shoulders, tapers, and stepped barb profiles.
Hexagonal wrenching section
The visible hex body provides a defined installation feature; its across-flats size and tolerance are confirmed from the drawing.
Material and document options
Material certificates and inspection documentation can be requested according to the project specification.
Prototype-to-production support
The factory supports rapid prototypes, pilot runs, and repeat production with project-dependent quantities.
Important: The photographs do not establish the exact thread standard, pressure rating, dimensional tolerance, or material certification for this part. Those requirements are confirmed during engineering review.
Product Overview
This component appears to be a custom machined threaded hose barb adapter or connector. One end has an external thread, while the opposite end has a tapered, stepped barb profile intended to engage with a hose or flexible tube. A hexagonal body is positioned between the two interfaces for wrench access during installation. At least one photograph also shows an opening through the component; the final bore diameter, internal profile, and flow-path requirements must be confirmed from the engineering drawing.
The geometry is well suited to CNC turning because the primary features are rotational: external threads, cylindrical shoulders, tapers, and a stepped hose-end profile. Depending on the blank and drawing, the hex body may be produced from hexagonal bar stock, turned and milled as a secondary operation, or manufactured using another approved routing. Shenzhen Perfect’s engineering team can review the drawing and select the practical process.
For a production-ready quotation, buyers should define the mating thread, hose or tube size, sealing method, critical diameters, surface requirements, material grade, and any pressure or leakage test criteria. These specifications should not be inferred from the photographs.
Product Specifications
Specification
Product-page information
Status
Part type
Custom threaded hose barb adapter / machined connector
Based on visible geometry; final terminology subject to application review
Visible interfaces
External threaded end, stepped/tapered hose-barb end, hexagonal wrenching body
Visually observable
Material
Stainless steel; the uploaded filename references “SS316L”
SS316L grade and certificate to be confirmed
Manufacturing process
CNC turning; secondary milling or other operations may be used for the hex feature if required
Factory capability verified; routing is project-dependent
Overall dimensions
To customer drawing
To be confirmed
Thread
External thread visible in the photographs
Standard, nominal size, pitch, class, length, and gauge requirements to be confirmed
Hose/barb end
Stepped and tapered barb profile visible
Hose size, barb dimensions, bore, and sealing requirements to be confirmed
Internal bore
An opening is visible in the supplied photographs
Diameter, concentricity, and internal profile to be confirmed
Dimensional tolerance
Factory general capability: ±0.01 mm; special areas: ±0.005 mm
Capability reference, not an automatic tolerance for this part
Surface roughness
Factory capability stated as Ra 0.1–3.2 μm depending on feature and finish requirement
Product value to be confirmed from drawing
Surface finish
Machined metallic appearance shown in photographs
Final finish, passivation, polishing, or other treatment to be confirmed
Deburring
Required for threads, bore, barb edges, and hex edges
Method and acceptance criteria to be confirmed
Inspection
CMM, 2D measuring instruments, gauges, and inspection records available
Project inspection plan to be agreed
Material documentation
Material certificates / material test reports available on request
Grade and document type to be specified
Order quantity
Project-dependent; low-volume custom CNC orders are supported
Final MOQ and price tier require quotation
Prototype availability
Supported
Lead time depends on geometry, material, finish, and inspection
Production options
Prototype, pilot run, and repeat production
Capacity allocation to be confirmed per project
Drawing formats
PDF, STEP, IGS, STL, X_T, DWG, DXF, and other common engineering formats
Confirm final file package with sales/engineering team
Product-Specific Selling Points
1. Thread and hose-barb interfaces designed from the same drawing
A threaded hose adapter is only useful when both interfaces match the mating components. The quotation review should therefore treat the external thread, barb diameter, bore, and sealing area as one controlled interface package rather than as independent features. Shenzhen Perfect can review the complete 2D/3D definition before production.
2. CNC turning for small rotational features
The visible threads, shoulders, tapers, and stepped hose end are typical rotational features. CNC turning helps establish a repeatable process for these profiles, while the final tool path and workholding method depend on the approved material, dimensions, and quantity.
3. Hex body for practical installation
The hexagonal section gives the installer a defined wrenching surface. Across-flats size, corner condition, and alignment with the threaded axis should be controlled on the drawing to reduce assembly difficulty and prevent interference with surrounding components.
4. Inspection focused on the features that affect fit
Threads, bore diameter, barb profile, hex dimensions, and concentricity are more important than appearance alone. The factory’s stated inspection resources include a CMM, 2D measuring instruments, five testing instruments in total, and six QA/QC inspectors. A feature-specific inspection plan can be agreed before production.
5. Material traceability available for specified projects
If the application requires stainless steel traceability, buyers can request a material certificate or material test report matched to the approved grade. Because the uploaded photographs cannot prove SS316L, the material grade and document requirements must be stated in the RFQ.
6. Prototype and repeat-production pathway
The company supports rapid prototyping, pilot runs, and volume production. A staged process allows the buyer to validate thread fit, hose engagement, bore geometry, finish, and inspection criteria before committing to a repeat-production schedule.
7. Engineering review before quotation
Shenzhen Perfect provides drawing-based OEM/ODM support and DFM review. The engineering team can identify missing thread data, unclear tolerances, difficult internal features, unnecessary tight call-outs, or finishing requirements that could affect cost and lead time.
Manufacturing Process and Quality Control
Drawing and manufacturability review
Engineering reviews the 2D drawing and 3D model for material, thread definition, bore geometry, barb dimensions, hex access, datum structure, tolerance allocation, surface finish, and inspection requirements. If the buyer only has a photograph, sample, or sketch, the quotation is treated as preliminary until the geometry is confirmed.
Material verification
The specified stainless steel grade is checked against the purchase and production documentation. If SS316L is required, the grade should be written explicitly on the drawing or purchase order, together with any required certificate type.
CNC machining
The component is routed through CNC turning and any approved secondary operation required for the hex body or other non-rotational features. The process is selected according to the geometry, batch size, material condition, tolerance needs, and inspection plan.
Deburring and edge finishing
Threads, bore entrances, barb ridges, shoulders, and hex edges are reviewed for burrs and sharp edges. The acceptable edge break and any functional sealing-edge requirements should be defined in the drawing or quotation.
Surface treatment or finishing
If the project requires polishing, passivation, plating, coating, or another finish, the treatment is coordinated through the factory’s in-house or qualified partner network. Treatment type, appearance, thickness, cleanliness, and documentation must be agreed before production.
Dimensional inspection
Critical dimensions are checked using appropriate gauges, 2D measuring instruments, CMM measurement, or other agreed methods. The inspection scope should identify the thread, bore, barb, hex, and any mating or sealing features.
Final inspection and packaging
The QC team carries out final inspection before packing. Parts are packaged according to the required surface protection and export handling conditions. Inspection reports, FAIR documentation, and material certificates can be requested where applicable.
Applications and Target Industries
Potential applications requiring technical validation
Based on the visible geometry, this component may be evaluated for:
- Pneumatic or low-pressure fluid-routing assemblies
- Instrumentation and test fixtures
- Industrial equipment hose connections
- Laboratory or diagnostic equipment subassemblies
- Marine or corrosion-exposed equipment, if the selected material and finish are suitable
- Custom OEM tube, hose, or line interfaces
These are potential application categories, not confirmed end uses. The buyer must validate media compatibility, pressure, temperature, leakage, cleanliness, regulatory requirements, and installation method before approving the part for service.
Shenzhen Perfect’s documented target industries include medical, aerospace, automotive, marine, robotics and automation, agricultural machinery, industrial equipment, and electronics. Industry suitability for this specific adapter remains dependent on the final design and qualification requirements.
Customization and RFQ Requirements
For an accurate quotation, please provide as many of the following details as possible:
- 2D engineering drawing with dimensions, datums, tolerances, and thread call-outs
- 3D CAD file, preferably together with the 2D drawing
- Material grade and required material certificate
- External thread standard, nominal size, pitch, class, and thread length
- Hose or tube size, barb profile, bore diameter, and sealing method
- Critical diameters, concentricity, runout, and mating requirements
- Surface finish, passivation, polishing, or coating requirements
- Deburring and edge-break requirements
- Required quantity, prototype quantity, annual demand, and release schedule
- Inspection report, FAIR, CoC, RoHS/REACH, or other documentation requirements
- Packaging, marking, labeling, and cleanliness requirements
- Target delivery date and destination country
We accept common 2D and 3D engineering formats including PDF, STEP, IGS, STL, X_T, DWG, and DXF. If drawings are not yet available, send photographs, a physical sample, or a dimensioned sketch for an initial feasibility discussion. Final pricing and production commitment require confirmed geometry and specifications.
Why Choose Shenzhen Perfect Precision Products Co., Ltd.?
Direct custom manufacturer
The company operates as an OEM/ODM manufacturer rather than a sourcing-only trading house.
Relevant CNC capability
The factory operates 3-, 4-, and 5-axis CNC equipment, CNC turning, and mill-turn capability for rotational, prismatic, and complex parts.
Documented precision range
General machining tolerance is stated as ±0.01 mm, with special-area capability of ±0.005 mm depending on the material, geometry, and inspection plan.
Quality systems
ISO9001:2015 and ISO13485:2016 are identified in the supplied company documentation as verified certifications. Other certifications listed on company materials should be confirmed before they are used for a project qualification claim.
Inspection resources
Six QA/QC inspectors and CMM/2D measurement resources support dimensional inspection and reporting.
Prototype-to-production support
The company supports rapid prototyping, pilot runs, and repeat production, with a stated monthly capacity exceeding 300,000 pieces across its operations.
Multi-process supply
In addition to CNC machining, the company provides injection molding, sheet metal, casting, forging, rapid prototyping, 3D printing, gears, linear modules, and finishing coordination.
International project experience
The supplied company profile states that the business serves customers in more than 100 countries and regions.
IP and drawing confidentiality
NDAs can be arranged on request, and customer drawings are handled as confidential business information under the stated internal access controls.
Frequently Asked Questions
Is this adapter made from SS316L?
The uploaded filename references SS316L, but a photograph cannot verify the material grade. SS316L should be specified on the approved drawing or purchase order, and a material certificate should be requested if traceability is required.
What thread standard can you manufacture?
The factory supports drawing-based threaded components. The thread standard, nominal size, pitch, class, length, and gauge requirements must be provided because the photographs do not identify whether the thread is metric, Unified, pipe, or another standard.
Can you manufacture the hose-barb end to a specific tube size?
Yes, the barb profile can be produced to an approved drawing. Please provide the nominal hose or tube size, inside diameter, material, insertion depth, retention requirement, and any clamp or sealing requirement.
Can you guarantee a pressure rating from the photographs?
No. Pressure capability depends on material, wall thickness, bore, thread engagement, hose interface, sealing method, assembly, temperature, and test standard. A pressure or leakage requirement must be reviewed and tested according to the project specification.
Can you provide prototypes before repeat production?
Yes. Shenzhen Perfect supports prototype and small-batch CNC work. Indicative sample timing is project-dependent; the company materials state that simple CNC samples may be produced in 1–3 days, while standard prototypes may require 1–2 weeks after engineering review and depending on material, finish, and inspection.
What tolerance can you hold on this fitting?
The company states a standard machining capability of ±0.01 mm and special-area capability of ±0.005 mm. The achievable tolerance for this adapter depends on the feature, material, size, process, and inspection method and must be confirmed against the drawing.
Can you supply inspection reports and material certificates?
Yes, inspection records, first-article or full-dimensional reports, and material certificates can be requested when specified. The quotation should identify the required report format, sampling level, critical features, and certificate type.
Can you apply passivation or another surface finish to stainless steel?
Surface treatment and finishing can be coordinated according to the project requirement. Please specify whether you need passivation, polishing, plating, coating, a defined roughness, cosmetic acceptance criteria, or cleanliness controls.
What files should I send for a quotation?
Ideally, send a 2D PDF drawing and a 3D STEP, IGS, STL, or X_T model. DWG and DXF files are also supported. Include material, quantity, tolerance, thread, finish, inspection, packaging, and target delivery information.
Can you protect our design information?
The supplied company profile states that NDAs can be arranged on request and that customer drawings and product information are treated as confidential business information. Request the NDA and document-control terms before sharing sensitive design data if your project requires them.
Request a Quote for Your Custom Adapter
Need a threaded hose barb adapter that fits an existing assembly? Send Shenzhen Perfect your drawing, 3D model, sample photographs, or dimensioned sketch. The engineering team can review the thread, barb, bore, hex, material, tolerance, finish, inspection, quantity, and production route before preparing a quotation.
For an initial review, please include the part number, required material, thread specification, hose size, quantity, critical dimensions, surface requirements, inspection documents, and target delivery date.
