Brass CNC Machined Parts
Price: US$ 14.50/kg
Cable Glands India manufactures brass cnc machined parts for electrical OEMs, EPC contractors, power utilities and industrial distributors. These drawing-based brass components are produced by CNC turning and milling, with material grade, threads, functional dimensions and surface finish defined for the intended assembly. The product family includes connector bodies, terminal blocks, threaded adapters, mounting bushes, valve bodies, manifold blocks, cable entry fittings and precision spacers. Supply requirements are reviewed against customer drawings, samples and the agreed inspection plan.
Detailed Product Overview
Brass Connector Bodies and Electrical Fittings
Connector bodies combine internal bores, external threads, shoulders and wrenching flats. Their performance depends on alignment between the contact carrier, retaining thread and enclosure interface. We review wall thickness around tapped holes and the position of cross drillings before machining. For cable entry hardware, the gland body and the equipment connection must be treated as separate interfaces. A brass housing alone does not establish ingress protection, grounding performance or hazardous-area suitability; those properties belong to the tested assembly and its approved installation.
CNC Milled Brass Blocks and Manifolds
Milled brass blocks include mounting plates, distribution blocks, manifold bodies and multiport fittings. Machining plans account for pocket depth, cutter access, corner radii and the intersection of drilled passages. Small internal corners should be dimensioned as manufacturable radii rather than assumed sharp edges. Cross holes need controlled breakthrough and burr removal. Pressure-containing designs require a specified alloy, minimum wall sections, port thread details and an agreed leak-test method. Drawing notes should distinguish a functional sealing face from an ordinary cosmetic machined surface.
Precision Turned Brass Bushes and Sleeves
Turned bushes, sleeves and collars locate moving or fixed components within electrical and mechanical assemblies. Critical dimensions can include bore size, outside diameter, shoulder position and the relationship between two locating surfaces. A fit designation is meaningful only when the corresponding mating feature and assembly condition are defined. Thin sleeves require support during machining so that clamping does not distort the finished bore. Where a bush is pressed into another material, the designer should consider thermal expansion and installation force together with dimensional interference.
Custom Brass Threaded Adapters and Nipples
Threaded adapters connect different equipment interfaces or provide a change in nominal size, gender or mounting arrangement. Metric, unified and pipe threads need separate specifications; their names are not interchangeable. A taper pipe connection may seal differently from a parallel thread that uses a washer or an O-ring. We review thread runout, relief grooves, counterbores and engagement length. The quotation drawing should identify whether thread inspection takes place before or after plating and whether a mating gauge or customer component is part of acceptance.
Machined Brass Forgings and Near-Net Blanks
A forged blank may be suitable when the component has substantial changes in section, a heavy head or several projecting features. CNC machining then establishes the final thread, bore, sealing face and mounting geometry. This route differs from machining every feature from solid bar and requires a separate review of tooling, machining allowances and production quantity. Forging grade and machining grade should be chosen together. A drawing approved for bar-stock production cannot automatically be transferred to a forged route without checking material designation, grain flow requirements and critical sections.
Brass Terminals, Inserts and Contact Carriers
Terminal bodies, contact carriers and threaded inserts must be assessed as parts of an electrical connection. Current capacity cannot be assigned from brass grade or outside dimensions alone. Contact area, tightening torque, conductor type, temperature rise and the mating component all affect service performance. Knurled inserts need an agreed pullout or torque requirement when that function is critical. Terminal bores should identify conductor entry features and screw seating positions. For plated components, the coating specification should address the contact surface and the final assembled condition.
Drawing-Based Brass Machining for OEM Assemblies
Custom OEM components often combine a standard thread with completely nonstandard shoulders, slots and mounting features. We use the controlled drawing revision to separate interface dimensions from noncritical clearance dimensions. Repeat orders should retain the approved material, finish and inspection route unless a change is authorized. Samples are useful for fit assessment, but a sample does not replace missing engineering requirements. Where reverse engineering is requested, the resulting drawing requires approval before production so that the supplier and the buyer are working to the same measurable acceptance criteria.
Key Features of Brass CNC Machined Parts
- Drawing-based brass manufacturing with defined material and revision control.
- Turned diameters, bores, shoulders, grooves and specified threads.
- Secondary drilling, tapping, slotting and milling where required.
- Surface finish and edge condition specified for functional interfaces.
- Material and production-lot traceability to the agreed order scope.
- Inspection documentation and protected packing defined for the application.
Datum-Controlled Precision and Repeatability
The useful precision of a machined part is the precision of its functional interfaces. Diameters, shoulders, bores and mounting faces should be related to a coherent datum system so that inspection represents the assembled condition. Very tight limits on nonfunctional surfaces can add cost without improving performance. For brass components, we review how the workpiece is held, which surfaces are machined together and how critical dimensions are measured. Approved first-off results establish a production reference. Subsequent checks should address tool wear, setup changes and the features most likely to influence the customer’s fit or function.
Threaded Connections and Gauge Acceptance
Threads are defined by form, diameter, pitch, tolerance class and usable engagement, rather than by a nominal size alone. Drawings may require metric, unified, BSP parallel, BSP taper or NPT connections, each with its own inspection basis. A threaded hole also needs adequate drill depth, clearance and a defined entry chamfer. For brass threaded components, gauge acceptance should be coordinated with the specified surface treatment. Where coating changes the effective thread dimensions, the order should state whether gauges apply before finishing, after finishing or at both stages, with the relevant acceptance class recorded.
Controlled Surface Finish and Edge Condition
Surface roughness should be assigned to the particular sealing, sliding, contact or locating surfaces that need it. A general statement such as polished finish does not define a measurable requirement. We distinguish machining texture, cosmetic appearance, burr removal and edge rounding during drawing review. The component may need a controlled chamfer at an assembly entry while another edge must remain sharp for a defined function. On brass parts with intersecting holes, inspection should consider internal burrs as well as accessible edges. Cleaning and handling requirements should preserve the accepted surface until installation.
Custom Geometry and Secondary Operations
A turned blank can receive cross drilling, slotting, flats, pockets, tapped holes and other milled details. Planning these operations together helps maintain the relationship between the principal axis and the secondary geometry. Tool access, fixturing and inspection access should all be considered before the design is frozen. A blind pocket needs a practical cutter radius and a defined bottom condition. A radial hole may need angular orientation relative to wrenching flats. The agreed manufacturing route for brass components should also identify which operations occur before finishing and which require final inspection after the last material-removal step.
Material Identity and Batch Traceability
The material designation should remain connected to the production lot through receipt, machining, finishing and dispatch. A trade name or a visual color check is not a substitute for an agreed grade specification. Where certification is required, the purchase order should identify the document type and the information needed to connect the certificate to the supplied parts. For brass orders involving several similar variants, segregation and labeling are especially useful. Proposed substitutions require customer approval. Traceability depth, retention periods and any part marking should be defined according to the customer’s application rather than assumed to be identical for every order.
Finishing, Cleaning and Protected Packing
The finish schedule should identify coating material, thickness, coverage, appearance and any functional areas that require masking. It should also state whether dimensions are controlled before or after treatment. Cleaning requirements depend on the application: an ordinary mounting spacer and a part with an internal fluid passage may need different acceptance criteria. Brass components should be packed to avoid dents, thread damage, surface contamination and mixing of variants. Protective caps, separators or individual wrapping can be specified where appropriate. Packaging is planned around the component’s functional surfaces and the customer’s receiving process, rather than appearance alone.
Technical Specifications
| Parameter | Supply and engineering basis |
|---|---|
| Product family | Brass CNC Machined Parts |
| Material | brass; exact grade and condition to drawing |
| Manufacturing route | CNC turning and milling |
| Dimensions | Custom dimensions to approved drawing; feasibility reviewed before order |
| Tolerances | Feature-specific drawing tolerances and geometric requirements |
| Threads | Metric, UNC, UNF, BSPP, BSPT or NPT as specified; class and gauge basis agreed |
| Surface roughness | Specified for each functional surface; Ra requirement to drawing |
| Finish | Natural machined or specified compatible treatment; coating thickness agreed |
| Inspection | Dimensional, visual, material and functional checks to agreed scope |
| Documentation | Drawing revision, batch identification and ordered inspection records |
| Packing | Protection for threads, contact faces and precision surfaces |
| Price | US$ 14.50/kg |
Size, strength, pressure rating, current capacity and temperature limits are not universal properties of a custom machined product family. They depend on the material condition, component design, mating assembly and test requirements. State those requirements in the enquiry so that the quotation and inspection plan address the intended service.
Raw Material Grades
Free-machining brass is useful for threaded and detailed parts, while forged blanks can reduce material removal on bulky geometries. Alloy selection must also address the operating medium, joining method, lead restrictions and required mechanical properties.
| Grade or designation | Material family | Typical selection context | Procurement note |
|---|---|---|---|
| C36000 | UNS free-cutting brass | Bar-machined connectors and repetitive turned parts | Confirm ASTM product specification and temper |
| CW614N / CuZn39Pb3 | EN free-machining brass; nearest old BS CZ121Pb3 | Turned and milled brass components | Do not automatically substitute for C36000 |
| CW617N / CuZn40Pb2 | EN forging brass; nearest old BS CZ122 | Forged blanks with finish machining | Confirm blank condition and purchase standard |
| CW602N / CuZn36Pb2As | DZR brass; nearest old BS CZ132 | Applications specifying dezincification resistance | Specified processing and verification required |
| CW510L / CuZn42 | Low-lead brass family option | Applications requiring a defined lead limit | Confirm composition and machinability |
| Customer-specified lead-free brass | Exact grade stated on drawing | Regulated or application-specific components | No blanket equivalence or approval assumed |
International Material Equivalents and Cross-References
The following table is an engineering cross-reference, not a declaration that every designation is interchangeable. Check chemical limits, product form, condition, mechanical requirements and the governing specification before approving an alternative. Legacy BS numbers and UNS numbers may look similar while describing different materials.
| Grade | Chemical symbol or system | Legacy or comparison reference | Equivalence limitation |
|---|---|---|---|
| CW614N | CuZn39Pb3 | CZ121Pb3 | EN/old BS cross-reference; verify edition |
| CW617N | CuZn40Pb2 | CZ122 | Forging brass family; verify product condition |
| CW602N | CuZn36Pb2As | CZ132 | DZR grade reference; verify required treatment |
| C36000 | US UNS designation | Compare against CW614N only by specification | Comparable use does not mean identical chemistry |
Product Types and Variants
| Variant | Important drawing requirements |
|---|---|
| Plain turned components | Outside diameter, bore, length, chamfers and locating shoulders |
| Internally threaded parts | Thread class, full thread depth, drill clearance and entry condition |
| Externally threaded parts | Thread form, engagement length, runout and final finish |
| Shouldered and stepped parts | Datum sequence, concentricity or runout, and shoulder positions |
| Cross-drilled or slotted parts | Hole position, orientation, passage intersections and burr control |
| Turned and milled combinations | Flats, pockets, mounting holes and relationship to the turned axis |
| Finished and marked variants | Coating, masking, part identification and acceptance after treatment |
Related sizes can be organized as a controlled part family, but each variant needs its own identifier and dimensional schedule. A change in thread, material grade or coating can change the functional behavior even when the overall shape appears identical. Sample approval should identify the particular variant and revision assessed. This prevents one accepted sample from being incorrectly used as authorization for several unreviewed versions.
Applications in Electrical and Industrial Equipment
| Customer or industry | Component role | Engineering information to provide |
|---|---|---|
| Electrical OEMs | Connection, mounting, spacing and equipment interfaces | Contact geometry, assembly torque, insulation clearances and test scope |
| Transformer and switchgear manufacturers | Terminals, fittings, bushes and conductive or structural interfaces | Mating drawing, material, thread and operating requirements |
| EPC contractors | Project-specific components and installation hardware | Project specification, approved drawing and documentation schedule |
| Power utilities | Replacement or specified equipment components | Equipment identity, service conditions and qualification requirements |
| Industrial equipment builders | Turned and milled parts for mechanical and process assemblies | Loads, fits, environment and finishing requirements |
| Distributors | Controlled stock variants and repeat component supply | Part-number schedule, packing, labeling and revision requirements |
Application examples identify possible component roles; they do not assign an equipment rating or approval. A connector body, spacer or threaded adapter must be assessed within its final assembly. The designer should confirm the relevant electrical, mechanical, environmental or pressure requirements. Where the part is a replacement, compare the complete specification rather than only the visible dimensions, especially if the original material or finish is unknown.
Manufacturing Process
The production route for brass cnc machined parts is planned around the drawing’s functional features. Turning and secondary operations are sequenced to preserve datum relationships, limit handling damage and maintain inspection access. The stages below describe the manufacturing review; the approved order defines any additional tests, sample submissions or special processing.
| Stage | Manufacturing control |
|---|---|
| Drawing review | Confirm revision, material, dimensions, datums, thread forms, finishing and inspection requirements. Resolve missing information before manufacturing. |
| Material preparation | Select approved stock or blank; verify grade, product condition and required material documentation. |
| Setup and first-off | Plan workholding and tool access. Check the first finished part before releasing the production run. |
| Machining | Produce the specified turned and secondary features, monitoring critical dimensions and tool wear throughout production. |
| Deburring and finishing | Control edges and internal intersections. Clean and apply specified treatments, allowing for final dimensional acceptance. |
| Final inspection and dispatch | Verify the agreed characteristics, segregate nonconforming parts and release identified lots with ordered documentation and protective packing. |
Quality Standards, Inspection and Certification Scope
Dimensional Inspection and Measurement Planning
The inspection plan should identify the characteristic, instrument, frequency and acceptance limit. A caliper may be suitable for a general clearance dimension while a close-fit bore requires a different measurement method. Runout, position and flatness are geometric requirements and should be checked against the stated datums. Thread plug or ring gauges assess the specified thread condition; they do not establish every other feature of the component. Where measurement uncertainty is significant relative to the tolerance, the method and the acceptance decision need discussion before the production lot is released.
Material Standards and Compliance Documentation
Material standards define grades and product forms; they do not automatically certify the complete finished assembly. A bar-stock certificate should be reviewed against the purchased grade, condition and relevant test requirements. RoHS, REACH, lead restrictions or application-specific declarations must be addressed for the actual material and finish supplied. Some machinable alloys contain intentional additions, so a generic claim that all metal parts are lead-free would be inappropriate. The requested declaration, applicable requirement and supporting evidence should be identified during quotation and carried into the order documentation.
Quality Systems, Certificates and Customer Approvals
Quality-system certification and product approval are different subjects. An ISO 9001 certificate, where applicable to the supplying operation, should be reviewed for its current validity and scope. A product may separately require a customer qualification, a dimensional submission or testing within an approved assembly. UL, IEC, NEMA, ATEX, NAMAS or another designation should not be applied to every custom machined part as a blanket approval. When a project needs a particular certificate or approval, request the exact document and confirm that the part, manufacturing site and ordered scope are covered.
| Requirement | How to define it on an order |
|---|---|
| Drawing and geometric tolerancing | State the applicable drawing conventions, datum scheme and revision |
| Thread standards | Identify ISO metric, ASME unified, ISO 228, ISO 7 or ASME B1.20.1 requirements as applicable |
| Material product specification | Specify the exact alloy and relevant rod, bar, forging or stock standard |
| Inspection certificate | Request the required material document type; EN 10204 3.1 only when specified and supported |
| Restricted substances | Identify applicable RoHS/REACH and lead requirements for the actual grade and finish |
| Quality-system certificate | Request current certificate and scope for the supplying operation |
| Assembly or project approval | Identify the required test, authority, approved design and acceptance evidence |
Why Choose Cable Glands India
Choose a manufacturing partner on the basis of its response to your drawing, material requirements and inspection needs. Cable Glands India offers a single point of enquiry for brass cnc machined parts and related metal components. The technical discussion focuses on manufacturability, functional interfaces, specification clarity and repeat-order control. This is especially useful where a purchased component combines a standard connection with a custom body or a customer-specific mounting arrangement.
For OEM purchasing, a complete quotation review makes material, finishing, inspection and packing requirements visible before production. EPC contractors can include project documentation and approval requirements in the same review. Distributors can define a family of controlled variants with consistent identifiers and receiving labels. Buyers serving India, the USA, the UK, European markets, Canada and Australia should state their destination-specific requirements and delivery terms so that the offered supply matches the order rather than an assumed market standard.
Frequently Asked Questions
What are brass cnc machined parts?
Brass CNC Machined Parts are drawing-based brass components manufactured by CNC turning and milling. The range includes connector bodies, terminal blocks, threaded adapters, mounting bushes, valve bodies, manifold blocks, cable entry fittings and precision spacers. Each part is specified by its material, geometry, finish and acceptance requirements rather than by a general trade description alone.
What is the price of brass cnc machined parts?
The listed rate is US$ 14.50/kg. Send the drawing, material grade, quantities and finishing requirements so that the quotation can identify the ordered manufacturing scope, inspection documents, packing and delivery terms without leaving essential requirements undefined.
Which material grades can be specified?
C36000, CW614N / CuZn39Pb3, CW617N / CuZn40Pb2, CW602N / CuZn36Pb2As are included in the grade selection discussion. The actual order must name the chosen material and product condition. Alternative grades require engineering review and approval; a cross-reference table alone does not authorize substitution.
Can you manufacture from customer drawings or samples?
Yes. Custom parts are reviewed against the supplied drawing revision. A sample can support geometry and fit assessment, but missing tolerances, material details and functional requirements need agreement. If a drawing is developed from a sample, it should be approved before production release.
What dimensions and tolerances are available?
Dimensions and tolerances are reviewed for the individual component, selected material, workholding and inspection access. State the critical diameters, datum relationships, fit requirements and surface roughness on the drawing. No universal tolerance or dimensional range is implied for every part in this family.
Can metric, unified and pipe threads be supplied?
Metric, UNC, UNF, BSPP, BSPT and NPT threads can be reviewed against the drawing. Specify the exact form, nominal size, pitch, tolerance class and engagement length. Pipe threads and ordinary fastening threads have different functions and should not be substituted by nominal diameter alone.
Are plating and other surface treatments available?
The required natural finish, coating or surface treatment is reviewed for material compatibility and application. Specify coating type, thickness, coverage and final acceptance condition. Thread and fit inspection must account for the treatment, especially where a coating changes effective dimensions or contact behavior.
Which inspection reports and certificates can accompany an order?
The order can define dimensional reports, material certificates, finishing records and other agreed inspection documents. Request the exact document type during quotation. Project-specific functional tests, third-party inspection and approval submissions require a defined scope rather than being assumed for all custom components.
Do these parts automatically carry electrical or pressure approvals?
No. A machined component is supplied to an agreed specification. Electrical, pressure, ingress-protection or hazardous-area performance depends on the design, tested assembly and applicable approval scope. Any required component approval or assembly test must be identified and verified for the actual application.
What information is needed for a quotation and repeat supply?
Provide the drawing and revision, material designation, quantity, annual demand, surface finish, inspection scope and delivery destination. Include critical application details and any mating gauges or samples. Repeat orders should identify the approved revision and any changes in material, coating, marking or packing.
Equivalent Search Terms in Other Languages
These technical phrases help international buyers identify the product family. They are search-term equivalents; the controlled drawing and agreed material specification remain the basis of manufacture.
| Language | Related terms |
|---|---|
| Spanish | piezas de latón mecanizadas CNC; componentes de latón; piezas de latón fresadas |
| Russian | латунные детали с ЧПУ; фрезерованные детали из латуни; точение латуни |
| French | pièces en laiton usinées CNC; composants en laiton; fraisage du laiton |
| Portuguese | peças de latão usinadas CNC; componentes de latão; fresagem de latão |
| Italian | parti in ottone lavorate CNC; componenti in ottone; fresatura ottone |
Linked Parts and Related CNC Product Terms
Explore the CNC Machined and Milled Parts category and the related product families below. Each family has its own material selection, manufacturing notes and enquiry requirements.
- Brass CNC Machined Parts — current product family
- Brass Screw machine parts
- Stainless Steel CNC turned parts
- Copper Turned parts
Request a Quotation for Brass CNC Machined Parts
Listed rate: US$ 14.50/kg. Send the latest drawing revision, selected material grade, quantities, annual demand, thread details, functional tolerances, required finish and inspection documents. Include the destination, packing instructions and any sample or project-approval stage. If the component must match a mating part, provide that interface drawing or an approved reference sample so the relevant fit can be reviewed.
Contact Cable Glands India for a technical review and quotation. State any proposed material alternative or drawing change before ordering, so the reviewed specification and the production requirement remain aligned.
