CNC Machining Service UK

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CNC Machining Services UK - Precision Machining by Hiren Brass Products

We provide CNC machining service for UK OEM buyers using in-house CNC turning and milling. We manufacture custom CNC machined parts from raw material based on customer drawings and OEM requirements. Our production focuses on custom and repeat components, not catalog standard parts. Typical production includes aluminium, brass, steel, and copper alloy parts for industrial applications.

We supply CNC machined components to UK engineering teams, OEM buyers, and procurement companies. We manufacture in India and arrange export shipments based on project requirements and delivery terms.

CNC Machining Capabilities & Specifications

Specification Details
CNC Processes Supported CNC turning
CNC milling (3-axis)
4-axis indexed machining
5-axis positioning (non-simultaneous)
Secondary machining operations
Typical Work Scope Custom OEM machined components
Turning + milling combined parts
Rotational and prismatic industrial parts
Materials Supported Aluminium (6061, 6063)
Stainless steel (304, 316, 202)
Mild / carbon steel (EN8, EN1A, C45, IS 2062)
Brass (C36000, C26000, C46400)
Copper (C11000)
Bronze (PB1, SAE 660)
As per drawing when specified
Turning Capacity Diameter range 5 mm to 180 mm
Length depends on geometry and setup
Milling Capacity Medium-size prismatic components
Multi-face machining using indexed operations
General Tolerance Typical machining tolerance ±0.1 mm
Tighter values reviewed per drawing
Surface Condition Machined and deburred standard
Additional finishing through partner facilities
Inspection & Documentation Caliper, height gauge, thread gauge, Go/No-Go gauges
Material reports and inspection reports on request
CMM via partners
Production Focus Prototype samples (5–10 pcs)
Medium-volume and repeat OEM supply preferred
Very small one-time orders not supported

Recent OEM CNC Machining Production

CNC turned EN31 steel shaft part

EN31 Steel CNC Turned Part – Custom OEM Component

OEM CNC-turned EN31 steel long 16-inch shaft produced with a stepped geometry and pointed end profile. Machined for testing and industrial applications where high strength and wear resistance are required.

custom made CNC milled bronze Component with mounting holes

Bronze CNC Milled Component for OEM Assemblies

OEM bronze part machined using CNC milling with precision profile features and drilled mounting holes. Produced for mechanical and industrial assemblies requiring accurate fit and stable machining quality

CNC milled part aluminum bracket with precision bore & black

OEM Precision CNC Milled Aluminum Mounting Bracket

Custom aluminum mounting bracket machined by CNC milling with a precision bore and black anodized surface. Used for OEM mounting applications requiring accurate positioning and consistent repeat production.

custom Brass CNC turned flanged part with stepped profile

Brass CNC Turned Sleeve – Custom OEM Component

Custom CNC brass turned part sleeve produced by CNC turning with a stepped body and precision machined flange. Manufactured for OEM mechanical applications requiring consistent dimensional control and repeat production.

OEM copper CNC turned part sleeve with stepped profile

Copper CNC Turned Sleeve for OEM Mechanical Assemblies

OEM copper sleeve machined by CNC turning with a stepped profile and precision internal bore. Used as a custom component in mechanical and industrial assemblies where accurate fit is required..

OEM Large CNC machined aluminum part with turning and milling process

Large CNC Machined Aluminum Component for OEM Assemblies

Custom aluminum component produced using combined CNC turning and milling operations. Features precision boring and drilled holes for OEM assemblies requiring controlled machining accuracy.

CNC Manufacturing Partner for UK OEM Supply

We manufacture as a CNC manufacturing partner for UK OEM companies needing consistent supply of custom machined parts. We carry out production in India based on customer drawings and technical requirements.

Buyers typically use us for repeat components where stable quality and clear communication are important. Orders are planned around batch production and long-term supply programs instead of one-time catalog sales.

We handle export shipments to the UK with agreed Incoterms, and provide required commercial and inspection documents with the order.

Scalable CNC Solutions: From Prototype to Production

We support projects that start with prototype samples and move into repeat production when the design is approved.

Prototype quantities are typically small, usually around 5 to 10 pieces, used to confirm fit and machining feasibility. After approval, production is planned for medium to higher volume requirements rather than very small one-time orders.

Production quantity depends on part size, weight, and machining complexity. Small lightweight parts and larger heavy components follow different economic logic.

Once the process is validated, we maintain the same machining setup to support repeat OEM supply with consistent output.

Technical Capabilities & Material Versatility

Our CNC machining capability combines turning and milling to produce custom components based on customer drawings.

Turning is supported from 5 mm up to 180 mm diameter, while milling work is performed on medium-size prismatic parts.

Milling is carried out using 3-axis and 4-axis machining, with indexed operations when parts need machining on multiple faces.

5-axis machining is used for positioning and multi-face access, not for complex simultaneous contour machining.

CNC Turning and Milling Capability

Turning and milling operations are combined when parts require multiple machining stages.

Turning is used for shafts, sleeves, spacers, and cylindrical components within the defined diameter range. Milling supports prismatic parts that need face machining, slots, holes, and indexed features.

4-axis machining is mainly applied for indexed operations where parts are rotated and machined step by step. 5-axis machining is used for positioning to improve tool access across multiple faces.

Materials Supported for CNC Machining

Material selection follows customer drawings and OEM specifications. Only industrial grades used in regular manufacturing are machined.

Aluminium Alloys

Common grades such as 6061 and 6063 are machined for lightweight industrial components. Typical parts include aluminium spacers, blocks, plates, and structural support parts.

Stainless Steel

Grades such as 304, 316, and 202 are machined for corrosion-resistant components including shafts, fittings, and couplings.

Mild and Carbon Steel

Grades including EN8, EN1A, C45, and IS 2062 are used for shafts, pins, support parts, and general industrial components.

Brass and Copper Alloys

Brass grades such as C36000, C26000, and C46400 are machined for brass inserts, fittings, connectors, terminals, and flanges. Copper grades such as C11000 are used for electrical and conductive components.

Bronze

Bronze grades such as PB1 and SAE 660 are machined for bushings and wear-related components.

Raw material is sourced from approved suppliers according to customer requirements.

Tolerance Policy

Machining follows general industrial tolerances. Typical tolerance is ±0.1 mm unless tighter values are defined on the drawing. Final achievable tolerance depends on part geometry, feature type, and material behavior during machining.

Surface Finish and Post-Processing

Parts are supplied in machined and cleaned condition with deburring applied to remove sharp edges.

Additional surface treatments are arranged through partner facilities when required. Common options include anodizing, plating, polishing, brushing, bead blasting, and protective finishing.

Finish selection depends on part function and customer specification. Laser marking for identification can be supported when specified.

Inspection and Measurement Capability

Inspection is performed during and after machining to confirm drawing compliance.

Measurement tools include calipers, height gauges, Go/No-Go gauges, and thread gauges. Material verification is supported through supplier material reports when required. Basic dimensional inspection reports are available on request.

Profile inspection and CMM measurement are supported through external partner facilities when specified.

Request a CNC Machining Quote

We prepare CNC machining quotations based on customer drawings and technical requirements. Send your STEP (3D) file together with a PDF drawing and RFQ details to request a CNC machining quotation.

Please include:

  • Material specification
  • Quantity requirement (one-time, repeat, or blanket order)
  • Surface finish requirement
  • Critical dimensions and tolerance requirements
  • Required delivery timeline
  • Shipping terms (EXW, DAP, DDP)

After receiving your RFQ, we review drawings and discuss technical clarifications when required. We issue the quotation with pricing and indicative lead time.


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